Home / 87,364.17-120,561.94-49,638.42

Finding the Fourth Proportional to 87,364.17, 120,561.94 and 49,638.42

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Solution

The fourth proportional to 87,364.17, 120,561.94 and 49,638.42 is: 68,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,364.17 : 120,561.94 = 49,638.42 : x
  2. Step 2: Convert to fraction form
    87,364.17/120,561.94 = 49,638.42/x
  3. Step 3: Cross multiply
    87,364.17x = 120,561.94 × 49,638.42
  4. Step 4: Simplify right side
    87,364.17x = 5,984,504,033.93
  5. Step 5: Solve for x
    x = 5,984,504,033.93/87,364.17
  6. Step 6: Final answer
    x = 68,500.67

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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.