Home / 83,936.22-125,900.25-31,341.60

Finding the Fourth Proportional to 83,936.22, 125,900.25 and 31,341.60

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Solution

The fourth proportional to 83,936.22, 125,900.25 and 31,341.60 is: 47,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,936.22 : 125,900.25 = 31,341.60 : x
  2. Step 2: Convert to fraction form
    83,936.22/125,900.25 = 31,341.60/x
  3. Step 3: Cross multiply
    83,936.22x = 125,900.25 × 31,341.60
  4. Step 4: Simplify right side
    83,936.22x = 3,945,915,275.40
  5. Step 5: Solve for x
    x = 3,945,915,275.40/83,936.22
  6. Step 6: Final answer
    x = 47,010.88

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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.