Home / 87,616.17-120,910.23-47,329.92

Finding the Fourth Proportional to 87,616.17, 120,910.23 and 47,329.92

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Solution

The fourth proportional to 87,616.17, 120,910.23 and 47,329.92 is: 65,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,616.17 : 120,910.23 = 47,329.92 : x
  2. Step 2: Convert to fraction form
    87,616.17/120,910.23 = 47,329.92/x
  3. Step 3: Cross multiply
    87,616.17x = 120,910.23 × 47,329.92
  4. Step 4: Simplify right side
    87,616.17x = 5,722,671,513.08
  5. Step 5: Solve for x
    x = 5,722,671,513.08/87,616.17
  6. Step 6: Final answer
    x = 65,315.24

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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.