Home / 75,139.94-103,691.85-41,605.22

Finding the Fourth Proportional to 75,139.94, 103,691.85 and 41,605.22

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Solution

The fourth proportional to 75,139.94, 103,691.85 and 41,605.22 is: 57,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139.94 : 103,691.85 = 41,605.22 : x
  2. Step 2: Convert to fraction form
    75,139.94/103,691.85 = 41,605.22/x
  3. Step 3: Cross multiply
    75,139.94x = 103,691.85 × 41,605.22
  4. Step 4: Simplify right side
    75,139.94x = 4,314,122,231.46
  5. Step 5: Solve for x
    x = 4,314,122,231.46/75,139.94
  6. Step 6: Final answer
    x = 57,414.50

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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.