Home / 83,536.92-125,006.04-72,330.90

Finding the Fourth Proportional to 83,536.92, 125,006.04 and 72,330.90

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Solution

The fourth proportional to 83,536.92, 125,006.04 and 72,330.90 is: 108,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,536.92 : 125,006.04 = 72,330.90 : x
  2. Step 2: Convert to fraction form
    83,536.92/125,006.04 = 72,330.90/x
  3. Step 3: Cross multiply
    83,536.92x = 125,006.04 × 72,330.90
  4. Step 4: Simplify right side
    83,536.92x = 9,041,799,016.98
  5. Step 5: Solve for x
    x = 9,041,799,016.98/83,536.92
  6. Step 6: Final answer
    x = 108,237.17

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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.