Home / 113,540.28-170,204.52-38,609.22

Finding the Fourth Proportional to 113,540.28, 170,204.52 and 38,609.22

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Solution

The fourth proportional to 113,540.28, 170,204.52 and 38,609.22 is: 57,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,540.28 : 170,204.52 = 38,609.22 : x
  2. Step 2: Convert to fraction form
    113,540.28/170,204.52 = 38,609.22/x
  3. Step 3: Cross multiply
    113,540.28x = 170,204.52 × 38,609.22
  4. Step 4: Simplify right side
    113,540.28x = 6,571,463,757.67
  5. Step 5: Solve for x
    x = 6,571,463,757.67/113,540.28
  6. Step 6: Final answer
    x = 57,877.82

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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.