Home / 52,158.06-71,981.76-29,497.20

Finding the Fourth Proportional to 52,158.06, 71,981.76 and 29,497.20

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Solution

The fourth proportional to 52,158.06, 71,981.76 and 29,497.20 is: 40,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,158.06 : 71,981.76 = 29,497.20 : x
  2. Step 2: Convert to fraction form
    52,158.06/71,981.76 = 29,497.20/x
  3. Step 3: Cross multiply
    52,158.06x = 71,981.76 × 29,497.20
  4. Step 4: Simplify right side
    52,158.06x = 2,123,260,371.07
  5. Step 5: Solve for x
    x = 2,123,260,371.07/52,158.06
  6. Step 6: Final answer
    x = 40,708.19

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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.