Home / 83,841.05-125,767.65-50,489.30

Finding the Fourth Proportional to 83,841.05, 125,767.65 and 50,489.30

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Solution

The fourth proportional to 83,841.05, 125,767.65 and 50,489.30 is: 75,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,841.05 : 125,767.65 = 50,489.30 : x
  2. Step 2: Convert to fraction form
    83,841.05/125,767.65 = 50,489.30/x
  3. Step 3: Cross multiply
    83,841.05x = 125,767.65 × 50,489.30
  4. Step 4: Simplify right side
    83,841.05x = 6,349,920,611.15
  5. Step 5: Solve for x
    x = 6,349,920,611.15/83,841.05
  6. Step 6: Final answer
    x = 75,737.61

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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.