Home / 83,722.45-125,587.34-41,622.70

Finding the Fourth Proportional to 83,722.45, 125,587.34 and 41,622.70

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Solution

The fourth proportional to 83,722.45, 125,587.34 and 41,622.70 is: 62,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,722.45 : 125,587.34 = 41,622.70 : x
  2. Step 2: Convert to fraction form
    83,722.45/125,587.34 = 41,622.70/x
  3. Step 3: Cross multiply
    83,722.45x = 125,587.34 × 41,622.70
  4. Step 4: Simplify right side
    83,722.45x = 5,227,284,176.62
  5. Step 5: Solve for x
    x = 5,227,284,176.62/83,722.45
  6. Step 6: Final answer
    x = 62,435.87

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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.