Home / 79,977.17-110,366.75-43,677.43

Finding the Fourth Proportional to 79,977.17, 110,366.75 and 43,677.43

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Solution

The fourth proportional to 79,977.17, 110,366.75 and 43,677.43 is: 60,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,977.17 : 110,366.75 = 43,677.43 : x
  2. Step 2: Convert to fraction form
    79,977.17/110,366.75 = 43,677.43/x
  3. Step 3: Cross multiply
    79,977.17x = 110,366.75 × 43,677.43
  4. Step 4: Simplify right side
    79,977.17x = 4,820,535,830.73
  5. Step 5: Solve for x
    x = 4,820,535,830.73/79,977.17
  6. Step 6: Final answer
    x = 60,273.90

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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.