Home / 79,731.78-110,029.86-43,921.77

Finding the Fourth Proportional to 79,731.78, 110,029.86 and 43,921.77

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Solution

The fourth proportional to 79,731.78, 110,029.86 and 43,921.77 is: 60,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,731.78 : 110,029.86 = 43,921.77 : x
  2. Step 2: Convert to fraction form
    79,731.78/110,029.86 = 43,921.77/x
  3. Step 3: Cross multiply
    79,731.78x = 110,029.86 × 43,921.77
  4. Step 4: Simplify right side
    79,731.78x = 4,832,706,204.05
  5. Step 5: Solve for x
    x = 4,832,706,204.05/79,731.78
  6. Step 6: Final answer
    x = 60,612.04

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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.