Home / 113,637.72-170,481.20-43,517.04

Finding the Fourth Proportional to 113,637.72, 170,481.20 and 43,517.04

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Solution

The fourth proportional to 113,637.72, 170,481.20 and 43,517.04 is: 65,284.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,637.72 : 170,481.20 = 43,517.04 : x
  2. Step 2: Convert to fraction form
    113,637.72/170,481.20 = 43,517.04/x
  3. Step 3: Cross multiply
    113,637.72x = 170,481.20 × 43,517.04
  4. Step 4: Simplify right side
    113,637.72x = 7,418,837,199.65
  5. Step 5: Solve for x
    x = 7,418,837,199.65/113,637.72
  6. Step 6: Final answer
    x = 65,284.99

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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.