Home / 83,850.65-125,775.97-57,475.43

Finding the Fourth Proportional to 83,850.65, 125,775.97 and 57,475.43

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Solution

The fourth proportional to 83,850.65, 125,775.97 and 57,475.43 is: 86,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,850.65 : 125,775.97 = 57,475.43 : x
  2. Step 2: Convert to fraction form
    83,850.65/125,775.97 = 57,475.43/x
  3. Step 3: Cross multiply
    83,850.65x = 125,775.97 × 57,475.43
  4. Step 4: Simplify right side
    83,850.65x = 7,229,027,043.16
  5. Step 5: Solve for x
    x = 7,229,027,043.16/83,850.65
  6. Step 6: Final answer
    x = 86,213.14

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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.