Home / 102,432.54-141,366.19-62,156.51

Finding the Fourth Proportional to 102,432.54, 141,366.19 and 62,156.51

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Solution

The fourth proportional to 102,432.54, 141,366.19 and 62,156.51 is: 85,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,432.54 : 141,366.19 = 62,156.51 : x
  2. Step 2: Convert to fraction form
    102,432.54/141,366.19 = 62,156.51/x
  3. Step 3: Cross multiply
    102,432.54x = 141,366.19 × 62,156.51
  4. Step 4: Simplify right side
    102,432.54x = 8,786,829,002.40
  5. Step 5: Solve for x
    x = 8,786,829,002.40/102,432.54
  6. Step 6: Final answer
    x = 85,781.62

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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.