Home / 79,776.73-110,090.23-43,965.82

Finding the Fourth Proportional to 79,776.73, 110,090.23 and 43,965.82

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Solution

The fourth proportional to 79,776.73, 110,090.23 and 43,965.82 is: 60,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776.73 : 110,090.23 = 43,965.82 : x
  2. Step 2: Convert to fraction form
    79,776.73/110,090.23 = 43,965.82/x
  3. Step 3: Cross multiply
    79,776.73x = 110,090.23 × 43,965.82
  4. Step 4: Simplify right side
    79,776.73x = 4,840,207,235.94
  5. Step 5: Solve for x
    x = 4,840,207,235.94/79,776.73
  6. Step 6: Final answer
    x = 60,671.92

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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.