Home / 115,109.22-172,339.20-60,951.18

Finding the Fourth Proportional to 115,109.22, 172,339.20 and 60,951.18

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Solution

The fourth proportional to 115,109.22, 172,339.20 and 60,951.18 is: 91,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,109.22 : 172,339.20 = 60,951.18 : x
  2. Step 2: Convert to fraction form
    115,109.22/172,339.20 = 60,951.18/x
  3. Step 3: Cross multiply
    115,109.22x = 172,339.20 × 60,951.18
  4. Step 4: Simplify right side
    115,109.22x = 10,504,277,600.26
  5. Step 5: Solve for x
    x = 10,504,277,600.26/115,109.22
  6. Step 6: Final answer
    x = 91,254.88

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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.