Home / 87,580.77-131,359.26-34,235.64

Finding the Fourth Proportional to 87,580.77, 131,359.26 and 34,235.64

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Solution

The fourth proportional to 87,580.77, 131,359.26 and 34,235.64 is: 51,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,580.77 : 131,359.26 = 34,235.64 : x
  2. Step 2: Convert to fraction form
    87,580.77/131,359.26 = 34,235.64/x
  3. Step 3: Cross multiply
    87,580.77x = 131,359.26 × 34,235.64
  4. Step 4: Simplify right side
    87,580.77x = 4,497,168,336.03
  5. Step 5: Solve for x
    x = 4,497,168,336.03/87,580.77
  6. Step 6: Final answer
    x = 51,348.81

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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.