Home / 83,363.88-125,046.02-21,034.38

Finding the Fourth Proportional to 83,363.88, 125,046.02 and 21,034.38

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Solution

The fourth proportional to 83,363.88, 125,046.02 and 21,034.38 is: 31,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,363.88 : 125,046.02 = 21,034.38 : x
  2. Step 2: Convert to fraction form
    83,363.88/125,046.02 = 21,034.38/x
  3. Step 3: Cross multiply
    83,363.88x = 125,046.02 × 21,034.38
  4. Step 4: Simplify right side
    83,363.88x = 2,630,265,502.17
  5. Step 5: Solve for x
    x = 2,630,265,502.17/83,363.88
  6. Step 6: Final answer
    x = 31,551.62

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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.