Home / 83,670.75-115,454.01-49,217.04

Finding the Fourth Proportional to 83,670.75, 115,454.01 and 49,217.04

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Solution

The fourth proportional to 83,670.75, 115,454.01 and 49,217.04 is: 67,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670.75 : 115,454.01 = 49,217.04 : x
  2. Step 2: Convert to fraction form
    83,670.75/115,454.01 = 49,217.04/x
  3. Step 3: Cross multiply
    83,670.75x = 115,454.01 × 49,217.04
  4. Step 4: Simplify right side
    83,670.75x = 5,682,304,812.89
  5. Step 5: Solve for x
    x = 5,682,304,812.89/83,670.75
  6. Step 6: Final answer
    x = 67,912.68

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1.5x scale

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.