Home / 47,932.52-71,899.22-12,872.16

Finding the Fourth Proportional to 47,932.52, 71,899.22 and 12,872.16

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Solution

The fourth proportional to 47,932.52, 71,899.22 and 12,872.16 is: 19,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,932.52 : 71,899.22 = 12,872.16 : x
  2. Step 2: Convert to fraction form
    47,932.52/71,899.22 = 12,872.16/x
  3. Step 3: Cross multiply
    47,932.52x = 71,899.22 × 12,872.16
  4. Step 4: Simplify right side
    47,932.52x = 925,498,199.35
  5. Step 5: Solve for x
    x = 925,498,199.35/47,932.52
  6. Step 6: Final answer
    x = 19,308.36

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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.