Home / 52,144.05-71,954.36-29,479.90

Finding the Fourth Proportional to 52,144.05, 71,954.36 and 29,479.90

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Solution

The fourth proportional to 52,144.05, 71,954.36 and 29,479.90 is: 40,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,144.05 : 71,954.36 = 29,479.90 : x
  2. Step 2: Convert to fraction form
    52,144.05/71,954.36 = 29,479.90/x
  3. Step 3: Cross multiply
    52,144.05x = 71,954.36 × 29,479.90
  4. Step 4: Simplify right side
    52,144.05x = 2,121,206,830.19
  5. Step 5: Solve for x
    x = 2,121,206,830.19/52,144.05
  6. Step 6: Final answer
    x = 40,679.75

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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.