Home / 71,625.12-107,328.24-30,049.44

Finding the Fourth Proportional to 71,625.12, 107,328.24 and 30,049.44

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Solution

The fourth proportional to 71,625.12, 107,328.24 and 30,049.44 is: 45,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,625.12 : 107,328.24 = 30,049.44 : x
  2. Step 2: Convert to fraction form
    71,625.12/107,328.24 = 30,049.44/x
  3. Step 3: Cross multiply
    71,625.12x = 107,328.24 × 30,049.44
  4. Step 4: Simplify right side
    71,625.12x = 3,225,153,508.19
  5. Step 5: Solve for x
    x = 3,225,153,508.19/71,625.12
  6. Step 6: Final answer
    x = 45,028.25

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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.