Home / 83,689.27-125,487.70-43,608.18

Finding the Fourth Proportional to 83,689.27, 125,487.70 and 43,608.18

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Solution

The fourth proportional to 83,689.27, 125,487.70 and 43,608.18 is: 65,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,689.27 : 125,487.70 = 43,608.18 : x
  2. Step 2: Convert to fraction form
    83,689.27/125,487.70 = 43,608.18/x
  3. Step 3: Cross multiply
    83,689.27x = 125,487.70 × 43,608.18
  4. Step 4: Simplify right side
    83,689.27x = 5,472,290,570.94
  5. Step 5: Solve for x
    x = 5,472,290,570.94/83,689.27
  6. Step 6: Final answer
    x = 65,388.20

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1.5x scale

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.