Home / 83,197.15-124,741.10-29,862.36

Finding the Fourth Proportional to 83,197.15, 124,741.10 and 29,862.36

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Solution

The fourth proportional to 83,197.15, 124,741.10 and 29,862.36 is: 44,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,197.15 : 124,741.10 = 29,862.36 : x
  2. Step 2: Convert to fraction form
    83,197.15/124,741.10 = 29,862.36/x
  3. Step 3: Cross multiply
    83,197.15x = 124,741.10 × 29,862.36
  4. Step 4: Simplify right side
    83,197.15x = 3,725,063,709.65
  5. Step 5: Solve for x
    x = 3,725,063,709.65/83,197.15
  6. Step 6: Final answer
    x = 44,773.94

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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.