Home / 77,199.30-115,854.24-32,857.20

Finding the Fourth Proportional to 77,199.30, 115,854.24 and 32,857.20

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Solution

The fourth proportional to 77,199.30, 115,854.24 and 32,857.20 is: 49,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,199.30 : 115,854.24 = 32,857.20 : x
  2. Step 2: Convert to fraction form
    77,199.30/115,854.24 = 32,857.20/x
  3. Step 3: Cross multiply
    77,199.30x = 115,854.24 × 32,857.20
  4. Step 4: Simplify right side
    77,199.30x = 3,806,645,934.53
  5. Step 5: Solve for x
    x = 3,806,645,934.53/77,199.30
  6. Step 6: Final answer
    x = 49,309.33

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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.