Home / 83,982.30-115,891.20-52,150.52

Finding the Fourth Proportional to 83,982.30, 115,891.20 and 52,150.52

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Solution

The fourth proportional to 83,982.30, 115,891.20 and 52,150.52 is: 71,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,982.30 : 115,891.20 = 52,150.52 : x
  2. Step 2: Convert to fraction form
    83,982.30/115,891.20 = 52,150.52/x
  3. Step 3: Cross multiply
    83,982.30x = 115,891.20 × 52,150.52
  4. Step 4: Simplify right side
    83,982.30x = 6,043,786,343.42
  5. Step 5: Solve for x
    x = 6,043,786,343.42/83,982.30
  6. Step 6: Final answer
    x = 71,965.00

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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.