Home / 87,462.80-131,216.76-31,300.64

Finding the Fourth Proportional to 87,462.80, 131,216.76 and 31,300.64

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Solution

The fourth proportional to 87,462.80, 131,216.76 and 31,300.64 is: 46,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,462.80 : 131,216.76 = 31,300.64 : x
  2. Step 2: Convert to fraction form
    87,462.80/131,216.76 = 31,300.64/x
  3. Step 3: Cross multiply
    87,462.80x = 131,216.76 × 31,300.64
  4. Step 4: Simplify right side
    87,462.80x = 4,107,168,566.73
  5. Step 5: Solve for x
    x = 4,107,168,566.73/87,462.80
  6. Step 6: Final answer
    x = 46,959.03

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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.