Home / 83,608.50-115,379.73-45,882.75

Finding the Fourth Proportional to 83,608.50, 115,379.73 and 45,882.75

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Solution

The fourth proportional to 83,608.50, 115,379.73 and 45,882.75 is: 63,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,608.50 : 115,379.73 = 45,882.75 : x
  2. Step 2: Convert to fraction form
    83,608.50/115,379.73 = 45,882.75/x
  3. Step 3: Cross multiply
    83,608.50x = 115,379.73 × 45,882.75
  4. Step 4: Simplify right side
    83,608.50x = 5,293,939,306.66
  5. Step 5: Solve for x
    x = 5,293,939,306.66/83,608.50
  6. Step 6: Final answer
    x = 63,318.20

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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.