Home / 83,134.14-124,697.42-30,539.76

Finding the Fourth Proportional to 83,134.14, 124,697.42 and 30,539.76

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Solution

The fourth proportional to 83,134.14, 124,697.42 and 30,539.76 is: 45,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,134.14 : 124,697.42 = 30,539.76 : x
  2. Step 2: Convert to fraction form
    83,134.14/124,697.42 = 30,539.76/x
  3. Step 3: Cross multiply
    83,134.14x = 124,697.42 × 30,539.76
  4. Step 4: Simplify right side
    83,134.14x = 3,808,229,279.42
  5. Step 5: Solve for x
    x = 3,808,229,279.42/83,134.14
  6. Step 6: Final answer
    x = 45,808.25

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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.