Home / 79,676.32-109,951.19-43,866.61

Finding the Fourth Proportional to 79,676.32, 109,951.19 and 43,866.61

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Solution

The fourth proportional to 79,676.32, 109,951.19 and 43,866.61 is: 60,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,676.32 : 109,951.19 = 43,866.61 : x
  2. Step 2: Convert to fraction form
    79,676.32/109,951.19 = 43,866.61/x
  3. Step 3: Cross multiply
    79,676.32x = 109,951.19 × 43,866.61
  4. Step 4: Simplify right side
    79,676.32x = 4,823,185,970.77
  5. Step 5: Solve for x
    x = 4,823,185,970.77/79,676.32
  6. Step 6: Final answer
    x = 60,534.75

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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.