Home / 79,729.60-110,027.58-43,920.88

Finding the Fourth Proportional to 79,729.60, 110,027.58 and 43,920.88

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Solution

The fourth proportional to 79,729.60, 110,027.58 and 43,920.88 is: 60,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,729.60 : 110,027.58 = 43,920.88 : x
  2. Step 2: Convert to fraction form
    79,729.60/110,027.58 = 43,920.88/x
  3. Step 3: Cross multiply
    79,729.60x = 110,027.58 × 43,920.88
  4. Step 4: Simplify right side
    79,729.60x = 4,832,508,137.87
  5. Step 5: Solve for x
    x = 4,832,508,137.87/79,729.60
  6. Step 6: Final answer
    x = 60,611.22

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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.