Home / 71,934.12-107,922.24-36,898.20

Finding the Fourth Proportional to 71,934.12, 107,922.24 and 36,898.20

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Solution

The fourth proportional to 71,934.12, 107,922.24 and 36,898.20 is: 55,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,934.12 : 107,922.24 = 36,898.20 : x
  2. Step 2: Convert to fraction form
    71,934.12/107,922.24 = 36,898.20/x
  3. Step 3: Cross multiply
    71,934.12x = 107,922.24 × 36,898.20
  4. Step 4: Simplify right side
    71,934.12x = 3,982,136,395.97
  5. Step 5: Solve for x
    x = 3,982,136,395.97/71,934.12
  6. Step 6: Final answer
    x = 55,358.10

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1.5x scale

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.