Home / 87,848.67-121,228.92-49,086.80

Finding the Fourth Proportional to 87,848.67, 121,228.92 and 49,086.80

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Solution

The fourth proportional to 87,848.67, 121,228.92 and 49,086.80 is: 67,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,848.67 : 121,228.92 = 49,086.80 : x
  2. Step 2: Convert to fraction form
    87,848.67/121,228.92 = 49,086.80/x
  3. Step 3: Cross multiply
    87,848.67x = 121,228.92 × 49,086.80
  4. Step 4: Simplify right side
    87,848.67x = 5,950,739,144.11
  5. Step 5: Solve for x
    x = 5,950,739,144.11/87,848.67
  6. Step 6: Final answer
    x = 67,738.52

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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.