Home / 87,488.24-131,253.18-28,323.92

Finding the Fourth Proportional to 87,488.24, 131,253.18 and 28,323.92

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Solution

The fourth proportional to 87,488.24, 131,253.18 and 28,323.92 is: 42,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488.24 : 131,253.18 = 28,323.92 : x
  2. Step 2: Convert to fraction form
    87,488.24/131,253.18 = 28,323.92/x
  3. Step 3: Cross multiply
    87,488.24x = 131,253.18 × 28,323.92
  4. Step 4: Simplify right side
    87,488.24x = 3,717,604,570.07
  5. Step 5: Solve for x
    x = 3,717,604,570.07/87,488.24
  6. Step 6: Final answer
    x = 42,492.62

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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.