Home / 68,972.16-95,188.68-38,760.24

Finding the Fourth Proportional to 68,972.16, 95,188.68 and 38,760.24

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Solution

The fourth proportional to 68,972.16, 95,188.68 and 38,760.24 is: 53,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,972.16 : 95,188.68 = 38,760.24 : x
  2. Step 2: Convert to fraction form
    68,972.16/95,188.68 = 38,760.24/x
  3. Step 3: Cross multiply
    68,972.16x = 95,188.68 × 38,760.24
  4. Step 4: Simplify right side
    68,972.16x = 3,689,536,082.08
  5. Step 5: Solve for x
    x = 3,689,536,082.08/68,972.16
  6. Step 6: Final answer
    x = 53,493.12

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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.