Home / 115,618.59-173,438.82-45,481.50

Finding the Fourth Proportional to 115,618.59, 173,438.82 and 45,481.50

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Solution

The fourth proportional to 115,618.59, 173,438.82 and 45,481.50 is: 68,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,618.59 : 173,438.82 = 45,481.50 : x
  2. Step 2: Convert to fraction form
    115,618.59/173,438.82 = 45,481.50/x
  3. Step 3: Cross multiply
    115,618.59x = 173,438.82 × 45,481.50
  4. Step 4: Simplify right side
    115,618.59x = 7,888,257,691.83
  5. Step 5: Solve for x
    x = 7,888,257,691.83/115,618.59
  6. Step 6: Final answer
    x = 68,226.55

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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.