Home / 87,497.10-131,245.65-70,001.10

Finding the Fourth Proportional to 87,497.10, 131,245.65 and 70,001.10

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Solution

The fourth proportional to 87,497.10, 131,245.65 and 70,001.10 is: 105,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,497.10 : 131,245.65 = 70,001.10 : x
  2. Step 2: Convert to fraction form
    87,497.10/131,245.65 = 70,001.10/x
  3. Step 3: Cross multiply
    87,497.10x = 131,245.65 × 70,001.10
  4. Step 4: Simplify right side
    87,497.10x = 9,187,339,870.22
  5. Step 5: Solve for x
    x = 9,187,339,870.22/87,497.10
  6. Step 6: Final answer
    x = 105,001.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.