Home / 83,885.04-115,766.15-48,081.02

Finding the Fourth Proportional to 83,885.04, 115,766.15 and 48,081.02

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Solution

The fourth proportional to 83,885.04, 115,766.15 and 48,081.02 is: 66,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,885.04 : 115,766.15 = 48,081.02 : x
  2. Step 2: Convert to fraction form
    83,885.04/115,766.15 = 48,081.02/x
  3. Step 3: Cross multiply
    83,885.04x = 115,766.15 × 48,081.02
  4. Step 4: Simplify right side
    83,885.04x = 5,566,153,754.24
  5. Step 5: Solve for x
    x = 5,566,153,754.24/83,885.04
  6. Step 6: Final answer
    x = 66,354.55

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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.