Home / 86,504.38-119,375.85-48,778.36

Finding the Fourth Proportional to 86,504.38, 119,375.85 and 48,778.36

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Solution

The fourth proportional to 86,504.38, 119,375.85 and 48,778.36 is: 67,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.38 : 119,375.85 = 48,778.36 : x
  2. Step 2: Convert to fraction form
    86,504.38/119,375.85 = 48,778.36/x
  3. Step 3: Cross multiply
    86,504.38x = 119,375.85 × 48,778.36
  4. Step 4: Simplify right side
    86,504.38x = 5,822,958,186.61
  5. Step 5: Solve for x
    x = 5,822,958,186.61/86,504.38
  6. Step 6: Final answer
    x = 67,314.03

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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.