Home / 83,382.08-115,067.46-45,142.03

Finding the Fourth Proportional to 83,382.08, 115,067.46 and 45,142.03

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Solution

The fourth proportional to 83,382.08, 115,067.46 and 45,142.03 is: 62,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,382.08 : 115,067.46 = 45,142.03 : x
  2. Step 2: Convert to fraction form
    83,382.08/115,067.46 = 45,142.03/x
  3. Step 3: Cross multiply
    83,382.08x = 115,067.46 × 45,142.03
  4. Step 4: Simplify right side
    83,382.08x = 5,194,379,241.13
  5. Step 5: Solve for x
    x = 5,194,379,241.13/83,382.08
  6. Step 6: Final answer
    x = 62,296.11

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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.