Home / 115,424.22-173,167.05-36,540.06

Finding the Fourth Proportional to 115,424.22, 173,167.05 and 36,540.06

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Solution

The fourth proportional to 115,424.22, 173,167.05 and 36,540.06 is: 54,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,424.22 : 173,167.05 = 36,540.06 : x
  2. Step 2: Convert to fraction form
    115,424.22/173,167.05 = 36,540.06/x
  3. Step 3: Cross multiply
    115,424.22x = 173,167.05 × 36,540.06
  4. Step 4: Simplify right side
    115,424.22x = 6,327,534,397.02
  5. Step 5: Solve for x
    x = 6,327,534,397.02/115,424.22
  6. Step 6: Final answer
    x = 54,819.82

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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.