Home / 87,884.06-121,279.98-47,597.82

Finding the Fourth Proportional to 87,884.06, 121,279.98 and 47,597.82

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Solution

The fourth proportional to 87,884.06, 121,279.98 and 47,597.82 is: 65,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,884.06 : 121,279.98 = 47,597.82 : x
  2. Step 2: Convert to fraction form
    87,884.06/121,279.98 = 47,597.82/x
  3. Step 3: Cross multiply
    87,884.06x = 121,279.98 × 47,597.82
  4. Step 4: Simplify right side
    87,884.06x = 5,772,662,657.64
  5. Step 5: Solve for x
    x = 5,772,662,657.64/87,884.06
  6. Step 6: Final answer
    x = 65,684.98

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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.