Home / 74,479.62-111,684.24-27,061.66

Finding the Fourth Proportional to 74,479.62, 111,684.24 and 27,061.66

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Solution

The fourth proportional to 74,479.62, 111,684.24 and 27,061.66 is: 40,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,479.62 : 111,684.24 = 27,061.66 : x
  2. Step 2: Convert to fraction form
    74,479.62/111,684.24 = 27,061.66/x
  3. Step 3: Cross multiply
    74,479.62x = 111,684.24 × 27,061.66
  4. Step 4: Simplify right side
    74,479.62x = 3,022,360,930.24
  5. Step 5: Solve for x
    x = 3,022,360,930.24/74,479.62
  6. Step 6: Final answer
    x = 40,579.70

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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.