Home / 71,900.28-107,776.44-27,515.04

Finding the Fourth Proportional to 71,900.28, 107,776.44 and 27,515.04

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Solution

The fourth proportional to 71,900.28, 107,776.44 and 27,515.04 is: 41,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,900.28 : 107,776.44 = 27,515.04 : x
  2. Step 2: Convert to fraction form
    71,900.28/107,776.44 = 27,515.04/x
  3. Step 3: Cross multiply
    71,900.28x = 107,776.44 × 27,515.04
  4. Step 4: Simplify right side
    71,900.28x = 2,965,473,057.66
  5. Step 5: Solve for x
    x = 2,965,473,057.66/71,900.28
  6. Step 6: Final answer
    x = 41,244.25

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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.