Home / 87,019.44-120,085.85-48,785.21

Finding the Fourth Proportional to 87,019.44, 120,085.85 and 48,785.21

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Solution

The fourth proportional to 87,019.44, 120,085.85 and 48,785.21 is: 67,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,019.44 : 120,085.85 = 48,785.21 : x
  2. Step 2: Convert to fraction form
    87,019.44/120,085.85 = 48,785.21/x
  3. Step 3: Cross multiply
    87,019.44x = 120,085.85 × 48,785.21
  4. Step 4: Simplify right side
    87,019.44x = 5,858,413,410.28
  5. Step 5: Solve for x
    x = 5,858,413,410.28/87,019.44
  6. Step 6: Final answer
    x = 67,323.04

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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.