Home / 69,178.83-103,761.77-22,432.11

Finding the Fourth Proportional to 69,178.83, 103,761.77 and 22,432.11

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Solution

The fourth proportional to 69,178.83, 103,761.77 and 22,432.11 is: 33,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,178.83 : 103,761.77 = 22,432.11 : x
  2. Step 2: Convert to fraction form
    69,178.83/103,761.77 = 22,432.11/x
  3. Step 3: Cross multiply
    69,178.83x = 103,761.77 × 22,432.11
  4. Step 4: Simplify right side
    69,178.83x = 2,327,595,326.27
  5. Step 5: Solve for x
    x = 2,327,595,326.27/69,178.83
  6. Step 6: Final answer
    x = 33,646.06

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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.