Home / 83,807.08-125,691.18-31,241.32

Finding the Fourth Proportional to 83,807.08, 125,691.18 and 31,241.32

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Solution

The fourth proportional to 83,807.08, 125,691.18 and 31,241.32 is: 46,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,807.08 : 125,691.18 = 31,241.32 : x
  2. Step 2: Convert to fraction form
    83,807.08/125,691.18 = 31,241.32/x
  3. Step 3: Cross multiply
    83,807.08x = 125,691.18 × 31,241.32
  4. Step 4: Simplify right side
    83,807.08x = 3,926,758,375.56
  5. Step 5: Solve for x
    x = 3,926,758,375.56/83,807.08
  6. Step 6: Final answer
    x = 46,854.73

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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.