Home / 66,150.26-91,285.82-35,934.90

Finding the Fourth Proportional to 66,150.26, 91,285.82 and 35,934.90

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Solution

The fourth proportional to 66,150.26, 91,285.82 and 35,934.90 is: 49,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,150.26 : 91,285.82 = 35,934.90 : x
  2. Step 2: Convert to fraction form
    66,150.26/91,285.82 = 35,934.90/x
  3. Step 3: Cross multiply
    66,150.26x = 91,285.82 × 35,934.90
  4. Step 4: Simplify right side
    66,150.26x = 3,280,346,813.12
  5. Step 5: Solve for x
    x = 3,280,346,813.12/66,150.26
  6. Step 6: Final answer
    x = 49,589.33

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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.