Home / 87,350.52-131,053.47-31,189.44

Finding the Fourth Proportional to 87,350.52, 131,053.47 and 31,189.44

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Solution

The fourth proportional to 87,350.52, 131,053.47 and 31,189.44 is: 46,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,350.52 : 131,053.47 = 31,189.44 : x
  2. Step 2: Convert to fraction form
    87,350.52/131,053.47 = 31,189.44/x
  3. Step 3: Cross multiply
    87,350.52x = 131,053.47 × 31,189.44
  4. Step 4: Simplify right side
    87,350.52x = 4,087,484,339.36
  5. Step 5: Solve for x
    x = 4,087,484,339.36/87,350.52
  6. Step 6: Final answer
    x = 46,794.05

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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.