Home / 87,535.96-120,631.08-63,624.76

Finding the Fourth Proportional to 87,535.96, 120,631.08 and 63,624.76

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Solution

The fourth proportional to 87,535.96, 120,631.08 and 63,624.76 is: 87,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,535.96 : 120,631.08 = 63,624.76 : x
  2. Step 2: Convert to fraction form
    87,535.96/120,631.08 = 63,624.76/x
  3. Step 3: Cross multiply
    87,535.96x = 120,631.08 × 63,624.76
  4. Step 4: Simplify right side
    87,535.96x = 7,675,123,513.54
  5. Step 5: Solve for x
    x = 7,675,123,513.54/87,535.96
  6. Step 6: Final answer
    x = 87,679.66

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.