Home / 83,700.68-125,582.13-38,743.85

Finding the Fourth Proportional to 83,700.68, 125,582.13 and 38,743.85

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Solution

The fourth proportional to 83,700.68, 125,582.13 and 38,743.85 is: 58,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,700.68 : 125,582.13 = 38,743.85 : x
  2. Step 2: Convert to fraction form
    83,700.68/125,582.13 = 38,743.85/x
  3. Step 3: Cross multiply
    83,700.68x = 125,582.13 × 38,743.85
  4. Step 4: Simplify right side
    83,700.68x = 4,865,535,521.36
  5. Step 5: Solve for x
    x = 4,865,535,521.36/83,700.68
  6. Step 6: Final answer
    x = 58,130.18

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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.