Home / 89,246.37-123,117.06-51,498.75

Finding the Fourth Proportional to 89,246.37, 123,117.06 and 51,498.75

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Solution

The fourth proportional to 89,246.37, 123,117.06 and 51,498.75 is: 71,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,246.37 : 123,117.06 = 51,498.75 : x
  2. Step 2: Convert to fraction form
    89,246.37/123,117.06 = 51,498.75/x
  3. Step 3: Cross multiply
    89,246.37x = 123,117.06 × 51,498.75
  4. Step 4: Simplify right side
    89,246.37x = 6,340,374,693.68
  5. Step 5: Solve for x
    x = 6,340,374,693.68/89,246.37
  6. Step 6: Final answer
    x = 71,043.50

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Half scale
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Double scale
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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.