Home / 87,651.06-120,958.46-47,364.84

Finding the Fourth Proportional to 87,651.06, 120,958.46 and 47,364.84

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Solution

The fourth proportional to 87,651.06, 120,958.46 and 47,364.84 is: 65,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,651.06 : 120,958.46 = 47,364.84 : x
  2. Step 2: Convert to fraction form
    87,651.06/120,958.46 = 47,364.84/x
  3. Step 3: Cross multiply
    87,651.06x = 120,958.46 × 47,364.84
  4. Step 4: Simplify right side
    87,651.06x = 5,729,178,104.55
  5. Step 5: Solve for x
    x = 5,729,178,104.55/87,651.06
  6. Step 6: Final answer
    x = 65,363.48

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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.