Home / 87,942.68-132,090.52-52,473.20

Finding the Fourth Proportional to 87,942.68, 132,090.52 and 52,473.20

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Solution

The fourth proportional to 87,942.68, 132,090.52 and 52,473.20 is: 78,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,942.68 : 132,090.52 = 52,473.20 : x
  2. Step 2: Convert to fraction form
    87,942.68/132,090.52 = 52,473.20/x
  3. Step 3: Cross multiply
    87,942.68x = 132,090.52 × 52,473.20
  4. Step 4: Simplify right side
    87,942.68x = 6,931,212,339.66
  5. Step 5: Solve for x
    x = 6,931,212,339.66/87,942.68
  6. Step 6: Final answer
    x = 78,815.12

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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.