Home / 85,350.26-127,961.96-40,934.72

Finding the Fourth Proportional to 85,350.26, 127,961.96 and 40,934.72

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Solution

The fourth proportional to 85,350.26, 127,961.96 and 40,934.72 is: 61,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,350.26 : 127,961.96 = 40,934.72 : x
  2. Step 2: Convert to fraction form
    85,350.26/127,961.96 = 40,934.72/x
  3. Step 3: Cross multiply
    85,350.26x = 127,961.96 × 40,934.72
  4. Step 4: Simplify right side
    85,350.26x = 5,238,087,003.25
  5. Step 5: Solve for x
    x = 5,238,087,003.25/85,350.26
  6. Step 6: Final answer
    x = 61,371.66

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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.