Home / 47,625.28-71,443.44-18,065.20

Finding the Fourth Proportional to 47,625.28, 71,443.44 and 18,065.20

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Solution

The fourth proportional to 47,625.28, 71,443.44 and 18,065.20 is: 27,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,625.28 : 71,443.44 = 18,065.20 : x
  2. Step 2: Convert to fraction form
    47,625.28/71,443.44 = 18,065.20/x
  3. Step 3: Cross multiply
    47,625.28x = 71,443.44 × 18,065.20
  4. Step 4: Simplify right side
    47,625.28x = 1,290,640,032.29
  5. Step 5: Solve for x
    x = 1,290,640,032.29/47,625.28
  6. Step 6: Final answer
    x = 27,099.89

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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.