Home / 115,146.24-172,645.17-48,568.56

Finding the Fourth Proportional to 115,146.24, 172,645.17 and 48,568.56

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Solution

The fourth proportional to 115,146.24, 172,645.17 and 48,568.56 is: 72,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,146.24 : 172,645.17 = 48,568.56 : x
  2. Step 2: Convert to fraction form
    115,146.24/172,645.17 = 48,568.56/x
  3. Step 3: Cross multiply
    115,146.24x = 172,645.17 × 48,568.56
  4. Step 4: Simplify right side
    115,146.24x = 8,385,126,434.63
  5. Step 5: Solve for x
    x = 8,385,126,434.63/115,146.24
  6. Step 6: Final answer
    x = 72,821.54

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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.