Home / 83,885.29-115,766.49-48,081.27

Finding the Fourth Proportional to 83,885.29, 115,766.49 and 48,081.27

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Solution

The fourth proportional to 83,885.29, 115,766.49 and 48,081.27 is: 66,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,885.29 : 115,766.49 = 48,081.27 : x
  2. Step 2: Convert to fraction form
    83,885.29/115,766.49 = 48,081.27/x
  3. Step 3: Cross multiply
    83,885.29x = 115,766.49 × 48,081.27
  4. Step 4: Simplify right side
    83,885.29x = 5,566,199,862.64
  5. Step 5: Solve for x
    x = 5,566,199,862.64/83,885.29
  6. Step 6: Final answer
    x = 66,354.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.