Home / 83,132.80-124,562.40-48,011.20

Finding the Fourth Proportional to 83,132.80, 124,562.40 and 48,011.20

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Solution

The fourth proportional to 83,132.80, 124,562.40 and 48,011.20 is: 71,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,132.80 : 124,562.40 = 48,011.20 : x
  2. Step 2: Convert to fraction form
    83,132.80/124,562.40 = 48,011.20/x
  3. Step 3: Cross multiply
    83,132.80x = 124,562.40 × 48,011.20
  4. Step 4: Simplify right side
    83,132.80x = 5,980,390,298.88
  5. Step 5: Solve for x
    x = 5,980,390,298.88/83,132.80
  6. Step 6: Final answer
    x = 71,937.79

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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.