Home / 87,394.02-120,604.59-49,668.54

Finding the Fourth Proportional to 87,394.02, 120,604.59 and 49,668.54

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Solution

The fourth proportional to 87,394.02, 120,604.59 and 49,668.54 is: 68,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,394.02 : 120,604.59 = 49,668.54 : x
  2. Step 2: Convert to fraction form
    87,394.02/120,604.59 = 49,668.54/x
  3. Step 3: Cross multiply
    87,394.02x = 120,604.59 × 49,668.54
  4. Step 4: Simplify right side
    87,394.02x = 5,990,253,902.60
  5. Step 5: Solve for x
    x = 5,990,253,902.60/87,394.02
  6. Step 6: Final answer
    x = 68,543.06

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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.