Home / 83,659.50-125,422.92-30,343.14

Finding the Fourth Proportional to 83,659.50, 125,422.92 and 30,343.14

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Solution

The fourth proportional to 83,659.50, 125,422.92 and 30,343.14 is: 45,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,659.50 : 125,422.92 = 30,343.14 : x
  2. Step 2: Convert to fraction form
    83,659.50/125,422.92 = 30,343.14/x
  3. Step 3: Cross multiply
    83,659.50x = 125,422.92 × 30,343.14
  4. Step 4: Simplify right side
    83,659.50x = 3,805,725,220.77
  5. Step 5: Solve for x
    x = 3,805,725,220.77/83,659.50
  6. Step 6: Final answer
    x = 45,490.65

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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.