Home / 83,849.65-125,626.82-74,697.05

Finding the Fourth Proportional to 83,849.65, 125,626.82 and 74,697.05

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Solution

The fourth proportional to 83,849.65, 125,626.82 and 74,697.05 is: 111,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,849.65 : 125,626.82 = 74,697.05 : x
  2. Step 2: Convert to fraction form
    83,849.65/125,626.82 = 74,697.05/x
  3. Step 3: Cross multiply
    83,849.65x = 125,626.82 × 74,697.05
  4. Step 4: Simplify right side
    83,849.65x = 9,383,952,795.46
  5. Step 5: Solve for x
    x = 9,383,952,795.46/83,849.65
  6. Step 6: Final answer
    x = 111,914.04

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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.