Home / 87,794.33-121,156.91-51,517.47

Finding the Fourth Proportional to 87,794.33, 121,156.91 and 51,517.47

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Solution

The fourth proportional to 87,794.33, 121,156.91 and 51,517.47 is: 71,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,794.33 : 121,156.91 = 51,517.47 : x
  2. Step 2: Convert to fraction form
    87,794.33/121,156.91 = 51,517.47/x
  3. Step 3: Cross multiply
    87,794.33x = 121,156.91 × 51,517.47
  4. Step 4: Simplify right side
    87,794.33x = 6,241,697,218.63
  5. Step 5: Solve for x
    x = 6,241,697,218.63/87,794.33
  6. Step 6: Final answer
    x = 71,094.54

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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.