Home / 80,283.29-110,791.88-43,985.72

Finding the Fourth Proportional to 80,283.29, 110,791.88 and 43,985.72

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Solution

The fourth proportional to 80,283.29, 110,791.88 and 43,985.72 is: 60,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,283.29 : 110,791.88 = 43,985.72 : x
  2. Step 2: Convert to fraction form
    80,283.29/110,791.88 = 43,985.72/x
  3. Step 3: Cross multiply
    80,283.29x = 110,791.88 × 43,985.72
  4. Step 4: Simplify right side
    80,283.29x = 4,873,260,669.00
  5. Step 5: Solve for x
    x = 4,873,260,669.00/80,283.29
  6. Step 6: Final answer
    x = 60,700.81

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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.