Home / 71,290.11-106,932.96-33,877.11

Finding the Fourth Proportional to 71,290.11, 106,932.96 and 33,877.11

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Solution

The fourth proportional to 71,290.11, 106,932.96 and 33,877.11 is: 50,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,290.11 : 106,932.96 = 33,877.11 : x
  2. Step 2: Convert to fraction form
    71,290.11/106,932.96 = 33,877.11/x
  3. Step 3: Cross multiply
    71,290.11x = 106,932.96 × 33,877.11
  4. Step 4: Simplify right side
    71,290.11x = 3,622,579,648.55
  5. Step 5: Solve for x
    x = 3,622,579,648.55/71,290.11
  6. Step 6: Final answer
    x = 50,814.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.