Home / 115,333.28-172,879.92-48,717.92

Finding the Fourth Proportional to 115,333.28, 172,879.92 and 48,717.92

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Solution

The fourth proportional to 115,333.28, 172,879.92 and 48,717.92 is: 73,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,333.28 : 172,879.92 = 48,717.92 : x
  2. Step 2: Convert to fraction form
    115,333.28/172,879.92 = 48,717.92/x
  3. Step 3: Cross multiply
    115,333.28x = 172,879.92 × 48,717.92
  4. Step 4: Simplify right side
    115,333.28x = 8,422,350,112.17
  5. Step 5: Solve for x
    x = 8,422,350,112.17/115,333.28
  6. Step 6: Final answer
    x = 73,026.19

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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.