Home / 106,760.25-147,331.62-69,100.11

Finding the Fourth Proportional to 106,760.25, 147,331.62 and 69,100.11

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Solution

The fourth proportional to 106,760.25, 147,331.62 and 69,100.11 is: 95,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,760.25 : 147,331.62 = 69,100.11 : x
  2. Step 2: Convert to fraction form
    106,760.25/147,331.62 = 69,100.11/x
  3. Step 3: Cross multiply
    106,760.25x = 147,331.62 × 69,100.11
  4. Step 4: Simplify right side
    106,760.25x = 10,180,631,148.48
  5. Step 5: Solve for x
    x = 10,180,631,148.48/106,760.25
  6. Step 6: Final answer
    x = 95,359.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.