Home / 87,392.25-120,601.44-49,666.50

Finding the Fourth Proportional to 87,392.25, 120,601.44 and 49,666.50

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Solution

The fourth proportional to 87,392.25, 120,601.44 and 49,666.50 is: 68,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,392.25 : 120,601.44 = 49,666.50 : x
  2. Step 2: Convert to fraction form
    87,392.25/120,601.44 = 49,666.50/x
  3. Step 3: Cross multiply
    87,392.25x = 120,601.44 × 49,666.50
  4. Step 4: Simplify right side
    87,392.25x = 5,989,851,419.76
  5. Step 5: Solve for x
    x = 5,989,851,419.76/87,392.25
  6. Step 6: Final answer
    x = 68,539.85

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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.