Home / 102,432.03-141,344.79-62,155.59

Finding the Fourth Proportional to 102,432.03, 141,344.79 and 62,155.59

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Solution

The fourth proportional to 102,432.03, 141,344.79 and 62,155.59 is: 85,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,432.03 : 141,344.79 = 62,155.59 : x
  2. Step 2: Convert to fraction form
    102,432.03/141,344.79 = 62,155.59/x
  3. Step 3: Cross multiply
    102,432.03x = 141,344.79 × 62,155.59
  4. Step 4: Simplify right side
    102,432.03x = 8,785,368,815.88
  5. Step 5: Solve for x
    x = 8,785,368,815.88/102,432.03
  6. Step 6: Final answer
    x = 85,767.79

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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.