Home / 115,795.20-173,700.90-49,227.78

Finding the Fourth Proportional to 115,795.20, 173,700.90 and 49,227.78

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Solution

The fourth proportional to 115,795.20, 173,700.90 and 49,227.78 is: 73,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,795.20 : 173,700.90 = 49,227.78 : x
  2. Step 2: Convert to fraction form
    115,795.20/173,700.90 = 49,227.78/x
  3. Step 3: Cross multiply
    115,795.20x = 173,700.90 × 49,227.78
  4. Step 4: Simplify right side
    115,795.20x = 8,550,909,691.00
  5. Step 5: Solve for x
    x = 8,550,909,691.00/115,795.20
  6. Step 6: Final answer
    x = 73,845.11

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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.