Home / 87,245.04-120,367.49-57,048.04

Finding the Fourth Proportional to 87,245.04, 120,367.49 and 57,048.04

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Solution

The fourth proportional to 87,245.04, 120,367.49 and 57,048.04 is: 78,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,245.04 : 120,367.49 = 57,048.04 : x
  2. Step 2: Convert to fraction form
    87,245.04/120,367.49 = 57,048.04/x
  3. Step 3: Cross multiply
    87,245.04x = 120,367.49 × 57,048.04
  4. Step 4: Simplify right side
    87,245.04x = 6,866,729,392.25
  5. Step 5: Solve for x
    x = 6,866,729,392.25/87,245.04
  6. Step 6: Final answer
    x = 78,706.24

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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.