Home / 87,462.26-131,212.49-28,303.91

Finding the Fourth Proportional to 87,462.26, 131,212.49 and 28,303.91

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Solution

The fourth proportional to 87,462.26, 131,212.49 and 28,303.91 is: 42,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,462.26 : 131,212.49 = 28,303.91 : x
  2. Step 2: Convert to fraction form
    87,462.26/131,212.49 = 28,303.91/x
  3. Step 3: Cross multiply
    87,462.26x = 131,212.49 × 28,303.91
  4. Step 4: Simplify right side
    87,462.26x = 3,713,825,710.25
  5. Step 5: Solve for x
    x = 3,713,825,710.25/87,462.26
  6. Step 6: Final answer
    x = 42,462.04

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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.