Home / 71,544.27-107,318.69-35,986.18

Finding the Fourth Proportional to 71,544.27, 107,318.69 and 35,986.18

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Solution

The fourth proportional to 71,544.27, 107,318.69 and 35,986.18 is: 53,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,544.27 : 107,318.69 = 35,986.18 : x
  2. Step 2: Convert to fraction form
    71,544.27/107,318.69 = 35,986.18/x
  3. Step 3: Cross multiply
    71,544.27x = 107,318.69 × 35,986.18
  4. Step 4: Simplify right side
    71,544.27x = 3,861,989,517.37
  5. Step 5: Solve for x
    x = 3,861,989,517.37/71,544.27
  6. Step 6: Final answer
    x = 53,980.42

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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.