Home / 87,827.06-121,169.85-50,079.44

Finding the Fourth Proportional to 87,827.06, 121,169.85 and 50,079.44

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Solution

The fourth proportional to 87,827.06, 121,169.85 and 50,079.44 is: 69,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,827.06 : 121,169.85 = 50,079.44 : x
  2. Step 2: Convert to fraction form
    87,827.06/121,169.85 = 50,079.44/x
  3. Step 3: Cross multiply
    87,827.06x = 121,169.85 × 50,079.44
  4. Step 4: Simplify right side
    87,827.06x = 6,068,118,232.88
  5. Step 5: Solve for x
    x = 6,068,118,232.88/87,827.06
  6. Step 6: Final answer
    x = 69,091.67

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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.