Home / 83,382.39-115,066.87-45,140.92

Finding the Fourth Proportional to 83,382.39, 115,066.87 and 45,140.92

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Solution

The fourth proportional to 83,382.39, 115,066.87 and 45,140.92 is: 62,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,382.39 : 115,066.87 = 45,140.92 : x
  2. Step 2: Convert to fraction form
    83,382.39/115,066.87 = 45,140.92/x
  3. Step 3: Cross multiply
    83,382.39x = 115,066.87 × 45,140.92
  4. Step 4: Simplify right side
    83,382.39x = 5,194,224,147.62
  5. Step 5: Solve for x
    x = 5,194,224,147.62/83,382.39
  6. Step 6: Final answer
    x = 62,294.02

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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.