Home / 75,306.92-104,031.68-60,179.72

Finding the Fourth Proportional to 75,306.92, 104,031.68 and 60,179.72

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Solution

The fourth proportional to 75,306.92, 104,031.68 and 60,179.72 is: 83,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,306.92 : 104,031.68 = 60,179.72 : x
  2. Step 2: Convert to fraction form
    75,306.92/104,031.68 = 60,179.72/x
  3. Step 3: Cross multiply
    75,306.92x = 104,031.68 × 60,179.72
  4. Step 4: Simplify right side
    75,306.92x = 6,260,597,373.53
  5. Step 5: Solve for x
    x = 6,260,597,373.53/75,306.92
  6. Step 6: Final answer
    x = 83,134.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.