Home / 83,732.09-125,598.18-31,134.74

Finding the Fourth Proportional to 83,732.09, 125,598.18 and 31,134.74

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Solution

The fourth proportional to 83,732.09, 125,598.18 and 31,134.74 is: 46,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,732.09 : 125,598.18 = 31,134.74 : x
  2. Step 2: Convert to fraction form
    83,732.09/125,598.18 = 31,134.74/x
  3. Step 3: Cross multiply
    83,732.09x = 125,598.18 × 31,134.74
  4. Step 4: Simplify right side
    83,732.09x = 3,910,466,678.77
  5. Step 5: Solve for x
    x = 3,910,466,678.77/83,732.09
  6. Step 6: Final answer
    x = 46,702.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.