Home / 87,589.04-131,349.48-28,410.40

Finding the Fourth Proportional to 87,589.04, 131,349.48 and 28,410.40

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Solution

The fourth proportional to 87,589.04, 131,349.48 and 28,410.40 is: 42,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,589.04 : 131,349.48 = 28,410.40 : x
  2. Step 2: Convert to fraction form
    87,589.04/131,349.48 = 28,410.40/x
  3. Step 3: Cross multiply
    87,589.04x = 131,349.48 × 28,410.40
  4. Step 4: Simplify right side
    87,589.04x = 3,731,691,266.59
  5. Step 5: Solve for x
    x = 3,731,691,266.59/87,589.04
  6. Step 6: Final answer
    x = 42,604.55

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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.