Home / 83,561.28-125,276.18-41,412.40

Finding the Fourth Proportional to 83,561.28, 125,276.18 and 41,412.40

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Solution

The fourth proportional to 83,561.28, 125,276.18 and 41,412.40 is: 62,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,561.28 : 125,276.18 = 41,412.40 : x
  2. Step 2: Convert to fraction form
    83,561.28/125,276.18 = 41,412.40/x
  3. Step 3: Cross multiply
    83,561.28x = 125,276.18 × 41,412.40
  4. Step 4: Simplify right side
    83,561.28x = 5,187,987,276.63
  5. Step 5: Solve for x
    x = 5,187,987,276.63/83,561.28
  6. Step 6: Final answer
    x = 62,086.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.