Home / 83,197.23-124,752.11-71,562.39

Finding the Fourth Proportional to 83,197.23, 124,752.11 and 71,562.39

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Solution

The fourth proportional to 83,197.23, 124,752.11 and 71,562.39 is: 107,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,197.23 : 124,752.11 = 71,562.39 : x
  2. Step 2: Convert to fraction form
    83,197.23/124,752.11 = 71,562.39/x
  3. Step 3: Cross multiply
    83,197.23x = 124,752.11 × 71,562.39
  4. Step 4: Simplify right side
    83,197.23x = 8,927,558,791.33
  5. Step 5: Solve for x
    x = 8,927,558,791.33/83,197.23
  6. Step 6: Final answer
    x = 107,305.96

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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.