Home / 87,382.04-131,056.32-28,203.44

Finding the Fourth Proportional to 87,382.04, 131,056.32 and 28,203.44

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Solution

The fourth proportional to 87,382.04, 131,056.32 and 28,203.44 is: 42,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,382.04 : 131,056.32 = 28,203.44 : x
  2. Step 2: Convert to fraction form
    87,382.04/131,056.32 = 28,203.44/x
  3. Step 3: Cross multiply
    87,382.04x = 131,056.32 × 28,203.44
  4. Step 4: Simplify right side
    87,382.04x = 3,696,239,057.74
  5. Step 5: Solve for x
    x = 3,696,239,057.74/87,382.04
  6. Step 6: Final answer
    x = 42,299.76

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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.