Home / 115,231.75-172,722.65-58,994.73

Finding the Fourth Proportional to 115,231.75, 172,722.65 and 58,994.73

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Solution

The fourth proportional to 115,231.75, 172,722.65 and 58,994.73 is: 88,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,231.75 : 172,722.65 = 58,994.73 : x
  2. Step 2: Convert to fraction form
    115,231.75/172,722.65 = 58,994.73/x
  3. Step 3: Cross multiply
    115,231.75x = 172,722.65 × 58,994.73
  4. Step 4: Simplify right side
    115,231.75x = 10,189,725,806.66
  5. Step 5: Solve for x
    x = 10,189,725,806.66/115,231.75
  6. Step 6: Final answer
    x = 88,428.11

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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.