Home / 83,133.14-124,695.92-30,538.76

Finding the Fourth Proportional to 83,133.14, 124,695.92 and 30,538.76

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Solution

The fourth proportional to 83,133.14, 124,695.92 and 30,538.76 is: 45,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,133.14 : 124,695.92 = 30,538.76 : x
  2. Step 2: Convert to fraction form
    83,133.14/124,695.92 = 30,538.76/x
  3. Step 3: Cross multiply
    83,133.14x = 124,695.92 × 30,538.76
  4. Step 4: Simplify right side
    83,133.14x = 3,808,058,226.73
  5. Step 5: Solve for x
    x = 3,808,058,226.73/83,133.14
  6. Step 6: Final answer
    x = 45,806.74

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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.