Home / 87,980.60-132,003.30-35,427.80

Finding the Fourth Proportional to 87,980.60, 132,003.30 and 35,427.80

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Solution

The fourth proportional to 87,980.60, 132,003.30 and 35,427.80 is: 53,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,980.60 : 132,003.30 = 35,427.80 : x
  2. Step 2: Convert to fraction form
    87,980.60/132,003.30 = 35,427.80/x
  3. Step 3: Cross multiply
    87,980.60x = 132,003.30 × 35,427.80
  4. Step 4: Simplify right side
    87,980.60x = 4,676,586,511.74
  5. Step 5: Solve for x
    x = 4,676,586,511.74/87,980.60
  6. Step 6: Final answer
    x = 53,154.75

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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.