Home / 87,401.63-120,617.85-49,162.96

Finding the Fourth Proportional to 87,401.63, 120,617.85 and 49,162.96

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Solution

The fourth proportional to 87,401.63, 120,617.85 and 49,162.96 is: 67,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,401.63 : 120,617.85 = 49,162.96 : x
  2. Step 2: Convert to fraction form
    87,401.63/120,617.85 = 49,162.96/x
  3. Step 3: Cross multiply
    87,401.63x = 120,617.85 × 49,162.96
  4. Step 4: Simplify right side
    87,401.63x = 5,929,930,534.84
  5. Step 5: Solve for x
    x = 5,929,930,534.84/87,401.63
  6. Step 6: Final answer
    x = 67,846.91

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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.