Home / 87,616.04-120,910.18-47,872.04

Finding the Fourth Proportional to 87,616.04, 120,910.18 and 47,872.04

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Solution

The fourth proportional to 87,616.04, 120,910.18 and 47,872.04 is: 66,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,616.04 : 120,910.18 = 47,872.04 : x
  2. Step 2: Convert to fraction form
    87,616.04/120,910.18 = 47,872.04/x
  3. Step 3: Cross multiply
    87,616.04x = 120,910.18 × 47,872.04
  4. Step 4: Simplify right side
    87,616.04x = 5,788,216,973.37
  5. Step 5: Solve for x
    x = 5,788,216,973.37/87,616.04
  6. Step 6: Final answer
    x = 66,063.44

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1.5x scale

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.