Home / 83,454.24-115,167.15-45,728.46

Finding the Fourth Proportional to 83,454.24, 115,167.15 and 45,728.46

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Solution

The fourth proportional to 83,454.24, 115,167.15 and 45,728.46 is: 63,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,454.24 : 115,167.15 = 45,728.46 : x
  2. Step 2: Convert to fraction form
    83,454.24/115,167.15 = 45,728.46/x
  3. Step 3: Cross multiply
    83,454.24x = 115,167.15 × 45,728.46
  4. Step 4: Simplify right side
    83,454.24x = 5,266,416,412.09
  5. Step 5: Solve for x
    x = 5,266,416,412.09/83,454.24
  6. Step 6: Final answer
    x = 63,105.44

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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.