Home / 86,082.68-129,131.45-23,753.18

Finding the Fourth Proportional to 86,082.68, 129,131.45 and 23,753.18

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Solution

The fourth proportional to 86,082.68, 129,131.45 and 23,753.18 is: 35,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,082.68 : 129,131.45 = 23,753.18 : x
  2. Step 2: Convert to fraction form
    86,082.68/129,131.45 = 23,753.18/x
  3. Step 3: Cross multiply
    86,082.68x = 129,131.45 × 23,753.18
  4. Step 4: Simplify right side
    86,082.68x = 3,067,281,811.09
  5. Step 5: Solve for x
    x = 3,067,281,811.09/86,082.68
  6. Step 6: Final answer
    x = 35,631.81

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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.