Home / 115,295.11-172,995.20-59,174.62

Finding the Fourth Proportional to 115,295.11, 172,995.20 and 59,174.62

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Solution

The fourth proportional to 115,295.11, 172,995.20 and 59,174.62 is: 88,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,295.11 : 172,995.20 = 59,174.62 : x
  2. Step 2: Convert to fraction form
    115,295.11/172,995.20 = 59,174.62/x
  3. Step 3: Cross multiply
    115,295.11x = 172,995.20 × 59,174.62
  4. Step 4: Simplify right side
    115,295.11x = 10,236,924,937.27
  5. Step 5: Solve for x
    x = 10,236,924,937.27/115,295.11
  6. Step 6: Final answer
    x = 88,788.89

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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.