Home / 74,264.28-102,490.13-42,432.50

Finding the Fourth Proportional to 74,264.28, 102,490.13 and 42,432.50

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Solution

The fourth proportional to 74,264.28, 102,490.13 and 42,432.50 is: 58,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,264.28 : 102,490.13 = 42,432.50 : x
  2. Step 2: Convert to fraction form
    74,264.28/102,490.13 = 42,432.50/x
  3. Step 3: Cross multiply
    74,264.28x = 102,490.13 × 42,432.50
  4. Step 4: Simplify right side
    74,264.28x = 4,348,912,034.86
  5. Step 5: Solve for x
    x = 4,348,912,034.86/74,264.28
  6. Step 6: Final answer
    x = 58,559.94

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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.