Home / 83,426.71-125,084.46-43,347.20

Finding the Fourth Proportional to 83,426.71, 125,084.46 and 43,347.20

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Solution

The fourth proportional to 83,426.71, 125,084.46 and 43,347.20 is: 64,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,426.71 : 125,084.46 = 43,347.20 : x
  2. Step 2: Convert to fraction form
    83,426.71/125,084.46 = 43,347.20/x
  3. Step 3: Cross multiply
    83,426.71x = 125,084.46 × 43,347.20
  4. Step 4: Simplify right side
    83,426.71x = 5,422,060,791.80
  5. Step 5: Solve for x
    x = 5,422,060,791.80/83,426.71
  6. Step 6: Final answer
    x = 64,991.91

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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.