Home / 115,674.28-159,566.39-67,270.91

Finding the Fourth Proportional to 115,674.28, 159,566.39 and 67,270.91

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Solution

The fourth proportional to 115,674.28, 159,566.39 and 67,270.91 is: 92,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,674.28 : 159,566.39 = 67,270.91 : x
  2. Step 2: Convert to fraction form
    115,674.28/159,566.39 = 67,270.91/x
  3. Step 3: Cross multiply
    115,674.28x = 159,566.39 × 67,270.91
  4. Step 4: Simplify right side
    115,674.28x = 10,734,175,378.79
  5. Step 5: Solve for x
    x = 10,734,175,378.79/115,674.28
  6. Step 6: Final answer
    x = 92,796.56

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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.