Home / 87,914.12-131,877.25-35,323.65

Finding the Fourth Proportional to 87,914.12, 131,877.25 and 35,323.65

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Solution

The fourth proportional to 87,914.12, 131,877.25 and 35,323.65 is: 52,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,914.12 : 131,877.25 = 35,323.65 : x
  2. Step 2: Convert to fraction form
    87,914.12/131,877.25 = 35,323.65/x
  3. Step 3: Cross multiply
    87,914.12x = 131,877.25 × 35,323.65
  4. Step 4: Simplify right side
    87,914.12x = 4,658,385,733.65
  5. Step 5: Solve for x
    x = 4,658,385,733.65/87,914.12
  6. Step 6: Final answer
    x = 52,987.92

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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.