Home / 87,635.04-120,936.42-47,348.80

Finding the Fourth Proportional to 87,635.04, 120,936.42 and 47,348.80

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Solution

The fourth proportional to 87,635.04, 120,936.42 and 47,348.80 is: 65,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,635.04 : 120,936.42 = 47,348.80 : x
  2. Step 2: Convert to fraction form
    87,635.04/120,936.42 = 47,348.80/x
  3. Step 3: Cross multiply
    87,635.04x = 120,936.42 × 47,348.80
  4. Step 4: Simplify right side
    87,635.04x = 5,726,194,363.30
  5. Step 5: Solve for x
    x = 5,726,194,363.30/87,635.04
  6. Step 6: Final answer
    x = 65,341.38

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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.