Home / 87,723.30-131,498.55-43,356.90

Finding the Fourth Proportional to 87,723.30, 131,498.55 and 43,356.90

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Solution

The fourth proportional to 87,723.30, 131,498.55 and 43,356.90 is: 64,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,723.30 : 131,498.55 = 43,356.90 : x
  2. Step 2: Convert to fraction form
    87,723.30/131,498.55 = 43,356.90/x
  3. Step 3: Cross multiply
    87,723.30x = 131,498.55 × 43,356.90
  4. Step 4: Simplify right side
    87,723.30x = 5,701,369,482.50
  5. Step 5: Solve for x
    x = 5,701,369,482.50/87,723.30
  6. Step 6: Final answer
    x = 64,992.65

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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.