Home / 74,227.68-102,432.08-42,395.92

Finding the Fourth Proportional to 74,227.68, 102,432.08 and 42,395.92

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Solution

The fourth proportional to 74,227.68, 102,432.08 and 42,395.92 is: 58,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,227.68 : 102,432.08 = 42,395.92 : x
  2. Step 2: Convert to fraction form
    74,227.68/102,432.08 = 42,395.92/x
  3. Step 3: Cross multiply
    74,227.68x = 102,432.08 × 42,395.92
  4. Step 4: Simplify right side
    74,227.68x = 4,342,702,269.11
  5. Step 5: Solve for x
    x = 4,342,702,269.11/74,227.68
  6. Step 6: Final answer
    x = 58,505.16

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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.