Home / 65,990.43-91,033.38-41,750.73

Finding the Fourth Proportional to 65,990.43, 91,033.38 and 41,750.73

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Solution

The fourth proportional to 65,990.43, 91,033.38 and 41,750.73 is: 57,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,990.43 : 91,033.38 = 41,750.73 : x
  2. Step 2: Convert to fraction form
    65,990.43/91,033.38 = 41,750.73/x
  3. Step 3: Cross multiply
    65,990.43x = 91,033.38 × 41,750.73
  4. Step 4: Simplify right side
    65,990.43x = 3,800,710,069.37
  5. Step 5: Solve for x
    x = 3,800,710,069.37/65,990.43
  6. Step 6: Final answer
    x = 57,594.87

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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.