Home / 87,580.58-120,836.18-49,326.74

Finding the Fourth Proportional to 87,580.58, 120,836.18 and 49,326.74

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Solution

The fourth proportional to 87,580.58, 120,836.18 and 49,326.74 is: 68,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,580.58 : 120,836.18 = 49,326.74 : x
  2. Step 2: Convert to fraction form
    87,580.58/120,836.18 = 49,326.74/x
  3. Step 3: Cross multiply
    87,580.58x = 120,836.18 × 49,326.74
  4. Step 4: Simplify right side
    87,580.58x = 5,960,453,982.64
  5. Step 5: Solve for x
    x = 5,960,453,982.64/87,580.58
  6. Step 6: Final answer
    x = 68,056.80

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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.