Home / 87,234.77-120,383.57-48,994.32

Finding the Fourth Proportional to 87,234.77, 120,383.57 and 48,994.32

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Solution

The fourth proportional to 87,234.77, 120,383.57 and 48,994.32 is: 67,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,234.77 : 120,383.57 = 48,994.32 : x
  2. Step 2: Convert to fraction form
    87,234.77/120,383.57 = 48,994.32/x
  3. Step 3: Cross multiply
    87,234.77x = 120,383.57 × 48,994.32
  4. Step 4: Simplify right side
    87,234.77x = 5,898,110,772.50
  5. Step 5: Solve for x
    x = 5,898,110,772.50/87,234.77
  6. Step 6: Final answer
    x = 67,611.92

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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.