Home / 83,657.74-125,409.60-36,243.04

Finding the Fourth Proportional to 83,657.74, 125,409.60 and 36,243.04

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Solution

The fourth proportional to 83,657.74, 125,409.60 and 36,243.04 is: 54,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,657.74 : 125,409.60 = 36,243.04 : x
  2. Step 2: Convert to fraction form
    83,657.74/125,409.60 = 36,243.04/x
  3. Step 3: Cross multiply
    83,657.74x = 125,409.60 × 36,243.04
  4. Step 4: Simplify right side
    83,657.74x = 4,545,225,149.18
  5. Step 5: Solve for x
    x = 4,545,225,149.18/83,657.74
  6. Step 6: Final answer
    x = 54,331.20

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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.