Home / 52,081.62-78,092.34-45,854.13

Finding the Fourth Proportional to 52,081.62, 78,092.34 and 45,854.13

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Solution

The fourth proportional to 52,081.62, 78,092.34 and 45,854.13 is: 68,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.62 : 78,092.34 = 45,854.13 : x
  2. Step 2: Convert to fraction form
    52,081.62/78,092.34 = 45,854.13/x
  3. Step 3: Cross multiply
    52,081.62x = 78,092.34 × 45,854.13
  4. Step 4: Simplify right side
    52,081.62x = 3,580,856,431.26
  5. Step 5: Solve for x
    x = 3,580,856,431.26/52,081.62
  6. Step 6: Final answer
    x = 68,754.71

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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.