Home / 88,171.41-121,676.13-47,884.86

Finding the Fourth Proportional to 88,171.41, 121,676.13 and 47,884.86

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Solution

The fourth proportional to 88,171.41, 121,676.13 and 47,884.86 is: 66,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,171.41 : 121,676.13 = 47,884.86 : x
  2. Step 2: Convert to fraction form
    88,171.41/121,676.13 = 47,884.86/x
  3. Step 3: Cross multiply
    88,171.41x = 121,676.13 × 47,884.86
  4. Step 4: Simplify right side
    88,171.41x = 5,826,444,450.39
  5. Step 5: Solve for x
    x = 5,826,444,450.39/88,171.41
  6. Step 6: Final answer
    x = 66,080.88

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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.