Home / 83,439.27-115,149.06-45,713.52

Finding the Fourth Proportional to 83,439.27, 115,149.06 and 45,713.52

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Solution

The fourth proportional to 83,439.27, 115,149.06 and 45,713.52 is: 63,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,439.27 : 115,149.06 = 45,713.52 : x
  2. Step 2: Convert to fraction form
    83,439.27/115,149.06 = 45,713.52/x
  3. Step 3: Cross multiply
    83,439.27x = 115,149.06 × 45,713.52
  4. Step 4: Simplify right side
    83,439.27x = 5,263,868,857.29
  5. Step 5: Solve for x
    x = 5,263,868,857.29/83,439.27
  6. Step 6: Final answer
    x = 63,086.23

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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.