Home / 83,086.29-124,487.64-45,677.70

Finding the Fourth Proportional to 83,086.29, 124,487.64 and 45,677.70

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Solution

The fourth proportional to 83,086.29, 124,487.64 and 45,677.70 is: 68,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,086.29 : 124,487.64 = 45,677.70 : x
  2. Step 2: Convert to fraction form
    83,086.29/124,487.64 = 45,677.70/x
  3. Step 3: Cross multiply
    83,086.29x = 124,487.64 × 45,677.70
  4. Step 4: Simplify right side
    83,086.29x = 5,686,309,073.63
  5. Step 5: Solve for x
    x = 5,686,309,073.63/83,086.29
  6. Step 6: Final answer
    x = 68,438.60

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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.