Home / 87,860.58-131,664.66-49,939.98

Finding the Fourth Proportional to 87,860.58, 131,664.66 and 49,939.98

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Solution

The fourth proportional to 87,860.58, 131,664.66 and 49,939.98 is: 74,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,860.58 : 131,664.66 = 49,939.98 : x
  2. Step 2: Convert to fraction form
    87,860.58/131,664.66 = 49,939.98/x
  3. Step 3: Cross multiply
    87,860.58x = 131,664.66 × 49,939.98
  4. Step 4: Simplify right side
    87,860.58x = 6,575,330,487.11
  5. Step 5: Solve for x
    x = 6,575,330,487.11/87,860.58
  6. Step 6: Final answer
    x = 74,838.23

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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.