Home / 115,452.20-159,326.74-64,463.20

Finding the Fourth Proportional to 115,452.20, 159,326.74 and 64,463.20

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Solution

The fourth proportional to 115,452.20, 159,326.74 and 64,463.20 is: 88,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,452.20 : 159,326.74 = 64,463.20 : x
  2. Step 2: Convert to fraction form
    115,452.20/159,326.74 = 64,463.20/x
  3. Step 3: Cross multiply
    115,452.20x = 159,326.74 × 64,463.20
  4. Step 4: Simplify right side
    115,452.20x = 10,270,711,721.84
  5. Step 5: Solve for x
    x = 10,270,711,721.84/115,452.20
  6. Step 6: Final answer
    x = 88,960.73

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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.