Home / 115,144.62-172,768.77-62,475.18

Finding the Fourth Proportional to 115,144.62, 172,768.77 and 62,475.18

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Solution

The fourth proportional to 115,144.62, 172,768.77 and 62,475.18 is: 93,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,144.62 : 172,768.77 = 62,475.18 : x
  2. Step 2: Convert to fraction form
    115,144.62/172,768.77 = 62,475.18/x
  3. Step 3: Cross multiply
    115,144.62x = 172,768.77 × 62,475.18
  4. Step 4: Simplify right side
    115,144.62x = 10,793,760,004.13
  5. Step 5: Solve for x
    x = 10,793,760,004.13/115,144.62
  6. Step 6: Final answer
    x = 93,740.90

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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.