Home / 83,938.20-126,053.10-44,572.20

Finding the Fourth Proportional to 83,938.20, 126,053.10 and 44,572.20

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Solution

The fourth proportional to 83,938.20, 126,053.10 and 44,572.20 is: 66,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,938.20 : 126,053.10 = 44,572.20 : x
  2. Step 2: Convert to fraction form
    83,938.20/126,053.10 = 44,572.20/x
  3. Step 3: Cross multiply
    83,938.20x = 126,053.10 × 44,572.20
  4. Step 4: Simplify right side
    83,938.20x = 5,618,463,983.82
  5. Step 5: Solve for x
    x = 5,618,463,983.82/83,938.20
  6. Step 6: Final answer
    x = 66,935.72

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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.