Home / 83,282.28-124,723.23-47,635.56

Finding the Fourth Proportional to 83,282.28, 124,723.23 and 47,635.56

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Solution

The fourth proportional to 83,282.28, 124,723.23 and 47,635.56 is: 71,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,282.28 : 124,723.23 = 47,635.56 : x
  2. Step 2: Convert to fraction form
    83,282.28/124,723.23 = 47,635.56/x
  3. Step 3: Cross multiply
    83,282.28x = 124,723.23 × 47,635.56
  4. Step 4: Simplify right side
    83,282.28x = 5,941,260,906.06
  5. Step 5: Solve for x
    x = 5,941,260,906.06/83,282.28
  6. Step 6: Final answer
    x = 71,338.84

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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.