Home / 87,598.60-131,231.75-51,984.65

Finding the Fourth Proportional to 87,598.60, 131,231.75 and 51,984.65

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Solution

The fourth proportional to 87,598.60, 131,231.75 and 51,984.65 is: 77,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,598.60 : 131,231.75 = 51,984.65 : x
  2. Step 2: Convert to fraction form
    87,598.60/131,231.75 = 51,984.65/x
  3. Step 3: Cross multiply
    87,598.60x = 131,231.75 × 51,984.65
  4. Step 4: Simplify right side
    87,598.60x = 6,822,036,660.79
  5. Step 5: Solve for x
    x = 6,822,036,660.79/87,598.60
  6. Step 6: Final answer
    x = 77,878.38

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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.