Home / 113,481.72-170,063.25-89,684.64

Finding the Fourth Proportional to 113,481.72, 170,063.25 and 89,684.64

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Solution

The fourth proportional to 113,481.72, 170,063.25 and 89,684.64 is: 134,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,481.72 : 170,063.25 = 89,684.64 : x
  2. Step 2: Convert to fraction form
    113,481.72/170,063.25 = 89,684.64/x
  3. Step 3: Cross multiply
    113,481.72x = 170,063.25 × 89,684.64
  4. Step 4: Simplify right side
    113,481.72x = 15,252,061,353.48
  5. Step 5: Solve for x
    x = 15,252,061,353.48/113,481.72
  6. Step 6: Final answer
    x = 134,401.04

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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.