Home / 87,559.88-120,837.30-49,846.28

Finding the Fourth Proportional to 87,559.88, 120,837.30 and 49,846.28

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Solution

The fourth proportional to 87,559.88, 120,837.30 and 49,846.28 is: 68,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,559.88 : 120,837.30 = 49,846.28 : x
  2. Step 2: Convert to fraction form
    87,559.88/120,837.30 = 49,846.28/x
  3. Step 3: Cross multiply
    87,559.88x = 120,837.30 × 49,846.28
  4. Step 4: Simplify right side
    87,559.88x = 6,023,289,890.24
  5. Step 5: Solve for x
    x = 6,023,289,890.24/87,559.88
  6. Step 6: Final answer
    x = 68,790.52

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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.