Home / 83,061.45-124,610.40-40,961.70

Finding the Fourth Proportional to 83,061.45, 124,610.40 and 40,961.70

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Solution

The fourth proportional to 83,061.45, 124,610.40 and 40,961.70 is: 61,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,061.45 : 124,610.40 = 40,961.70 : x
  2. Step 2: Convert to fraction form
    83,061.45/124,610.40 = 40,961.70/x
  3. Step 3: Cross multiply
    83,061.45x = 124,610.40 × 40,961.70
  4. Step 4: Simplify right side
    83,061.45x = 5,104,253,821.68
  5. Step 5: Solve for x
    x = 5,104,253,821.68/83,061.45
  6. Step 6: Final answer
    x = 61,451.54

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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.