Home / 113,872.66-170,912.65-60,609.36

Finding the Fourth Proportional to 113,872.66, 170,912.65 and 60,609.36

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Solution

The fourth proportional to 113,872.66, 170,912.65 and 60,609.36 is: 90,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,872.66 : 170,912.65 = 60,609.36 : x
  2. Step 2: Convert to fraction form
    113,872.66/170,912.65 = 60,609.36/x
  3. Step 3: Cross multiply
    113,872.66x = 170,912.65 × 60,609.36
  4. Step 4: Simplify right side
    113,872.66x = 10,358,906,332.40
  5. Step 5: Solve for x
    x = 10,358,906,332.40/113,872.66
  6. Step 6: Final answer
    x = 90,969.21

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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.