Home / 65,850.20-90,873.28-35,635.53

Finding the Fourth Proportional to 65,850.20, 90,873.28 and 35,635.53

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Solution

The fourth proportional to 65,850.20, 90,873.28 and 35,635.53 is: 49,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,850.20 : 90,873.28 = 35,635.53 : x
  2. Step 2: Convert to fraction form
    65,850.20/90,873.28 = 35,635.53/x
  3. Step 3: Cross multiply
    65,850.20x = 90,873.28 × 35,635.53
  4. Step 4: Simplify right side
    65,850.20x = 3,238,317,169.35
  5. Step 5: Solve for x
    x = 3,238,317,169.35/65,850.20
  6. Step 6: Final answer
    x = 49,177.03

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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.