Home / 115,034.22-172,592.85-40,165.40

Finding the Fourth Proportional to 115,034.22, 172,592.85 and 40,165.40

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Solution

The fourth proportional to 115,034.22, 172,592.85 and 40,165.40 is: 60,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,034.22 : 172,592.85 = 40,165.40 : x
  2. Step 2: Convert to fraction form
    115,034.22/172,592.85 = 40,165.40/x
  3. Step 3: Cross multiply
    115,034.22x = 172,592.85 × 40,165.40
  4. Step 4: Simplify right side
    115,034.22x = 6,932,259,994.43
  5. Step 5: Solve for x
    x = 6,932,259,994.43/115,034.22
  6. Step 6: Final answer
    x = 60,262.59

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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.