Home / 87,006.26-120,071.94-48,766.51

Finding the Fourth Proportional to 87,006.26, 120,071.94 and 48,766.51

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Solution

The fourth proportional to 87,006.26, 120,071.94 and 48,766.51 is: 67,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,006.26 : 120,071.94 = 48,766.51 : x
  2. Step 2: Convert to fraction form
    87,006.26/120,071.94 = 48,766.51/x
  3. Step 3: Cross multiply
    87,006.26x = 120,071.94 × 48,766.51
  4. Step 4: Simplify right side
    87,006.26x = 5,855,489,617.24
  5. Step 5: Solve for x
    x = 5,855,489,617.24/87,006.26
  6. Step 6: Final answer
    x = 67,299.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.