Home / 91,880.27-137,635.87-41,891.60

Finding the Fourth Proportional to 91,880.27, 137,635.87 and 41,891.60

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Solution

The fourth proportional to 91,880.27, 137,635.87 and 41,891.60 is: 62,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,880.27 : 137,635.87 = 41,891.60 : x
  2. Step 2: Convert to fraction form
    91,880.27/137,635.87 = 41,891.60/x
  3. Step 3: Cross multiply
    91,880.27x = 137,635.87 × 41,891.60
  4. Step 4: Simplify right side
    91,880.27x = 5,765,786,742.50
  5. Step 5: Solve for x
    x = 5,765,786,742.50/91,880.27
  6. Step 6: Final answer
    x = 62,753.26

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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.