Home / 83,750.53-115,562.70-49,758.13

Finding the Fourth Proportional to 83,750.53, 115,562.70 and 49,758.13

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Solution

The fourth proportional to 83,750.53, 115,562.70 and 49,758.13 is: 68,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,750.53 : 115,562.70 = 49,758.13 : x
  2. Step 2: Convert to fraction form
    83,750.53/115,562.70 = 49,758.13/x
  3. Step 3: Cross multiply
    83,750.53x = 115,562.70 × 49,758.13
  4. Step 4: Simplify right side
    83,750.53x = 5,750,183,849.75
  5. Step 5: Solve for x
    x = 5,750,183,849.75/83,750.53
  6. Step 6: Final answer
    x = 68,658.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.