Home / 113,872.45-170,912.32-60,609.14

Finding the Fourth Proportional to 113,872.45, 170,912.32 and 60,609.14

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Solution

The fourth proportional to 113,872.45, 170,912.32 and 60,609.14 is: 90,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,872.45 : 170,912.32 = 60,609.14 : x
  2. Step 2: Convert to fraction form
    113,872.45/170,912.32 = 60,609.14/x
  3. Step 3: Cross multiply
    113,872.45x = 170,912.32 × 60,609.14
  4. Step 4: Simplify right side
    113,872.45x = 10,358,848,730.60
  5. Step 5: Solve for x
    x = 10,358,848,730.60/113,872.45
  6. Step 6: Final answer
    x = 90,968.88

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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.