Home / 83,727.50-115,543.46-45,486.73

Finding the Fourth Proportional to 83,727.50, 115,543.46 and 45,486.73

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Solution

The fourth proportional to 83,727.50, 115,543.46 and 45,486.73 is: 62,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,727.50 : 115,543.46 = 45,486.73 : x
  2. Step 2: Convert to fraction form
    83,727.50/115,543.46 = 45,486.73/x
  3. Step 3: Cross multiply
    83,727.50x = 115,543.46 × 45,486.73
  4. Step 4: Simplify right side
    83,727.50x = 5,255,694,426.43
  5. Step 5: Solve for x
    x = 5,255,694,426.43/83,727.50
  6. Step 6: Final answer
    x = 62,771.43

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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.