Home / 83,382.24-115,067.52-45,658.80

Finding the Fourth Proportional to 83,382.24, 115,067.52 and 45,658.80

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Solution

The fourth proportional to 83,382.24, 115,067.52 and 45,658.80 is: 63,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,382.24 : 115,067.52 = 45,658.80 : x
  2. Step 2: Convert to fraction form
    83,382.24/115,067.52 = 45,658.80/x
  3. Step 3: Cross multiply
    83,382.24x = 115,067.52 × 45,658.80
  4. Step 4: Simplify right side
    83,382.24x = 5,253,844,882.18
  5. Step 5: Solve for x
    x = 5,253,844,882.18/83,382.24
  6. Step 6: Final answer
    x = 63,009.16

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1.5x scale

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.