Home / 83,884.06-115,763.20-48,080.98

Finding the Fourth Proportional to 83,884.06, 115,763.20 and 48,080.98

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Solution

The fourth proportional to 83,884.06, 115,763.20 and 48,080.98 is: 66,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,884.06 : 115,763.20 = 48,080.98 : x
  2. Step 2: Convert to fraction form
    83,884.06/115,763.20 = 48,080.98/x
  3. Step 3: Cross multiply
    83,884.06x = 115,763.20 × 48,080.98
  4. Step 4: Simplify right side
    83,884.06x = 5,566,008,103.94
  5. Step 5: Solve for x
    x = 5,566,008,103.94/83,884.06
  6. Step 6: Final answer
    x = 66,353.58

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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.