Home / 115,042.56-172,618.24-48,497.92

Finding the Fourth Proportional to 115,042.56, 172,618.24 and 48,497.92

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Solution

The fourth proportional to 115,042.56, 172,618.24 and 48,497.92 is: 72,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,042.56 : 172,618.24 = 48,497.92 : x
  2. Step 2: Convert to fraction form
    115,042.56/172,618.24 = 48,497.92/x
  3. Step 3: Cross multiply
    115,042.56x = 172,618.24 × 48,497.92
  4. Step 4: Simplify right side
    115,042.56x = 8,371,625,594.06
  5. Step 5: Solve for x
    x = 8,371,625,594.06/115,042.56
  6. Step 6: Final answer
    x = 72,769.81

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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.