Home / 87,884.41-121,279.88-47,597.25

Finding the Fourth Proportional to 87,884.41, 121,279.88 and 47,597.25

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Solution

The fourth proportional to 87,884.41, 121,279.88 and 47,597.25 is: 65,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,884.41 : 121,279.88 = 47,597.25 : x
  2. Step 2: Convert to fraction form
    87,884.41/121,279.88 = 47,597.25/x
  3. Step 3: Cross multiply
    87,884.41x = 121,279.88 × 47,597.25
  4. Step 4: Simplify right side
    87,884.41x = 5,772,588,768.33
  5. Step 5: Solve for x
    x = 5,772,588,768.33/87,884.41
  6. Step 6: Final answer
    x = 65,683.88

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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.