Home / 45,268-67,919.28-17,568.16

Finding the Fourth Proportional to 45,268, 67,919.28 and 17,568.16

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Solution

The fourth proportional to 45,268, 67,919.28 and 17,568.16 is: 26,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,268 : 67,919.28 = 17,568.16 : x
  2. Step 2: Convert to fraction form
    45,268/67,919.28 = 17,568.16/x
  3. Step 3: Cross multiply
    45,268x = 67,919.28 × 17,568.16
  4. Step 4: Simplify right side
    45,268x = 1,193,216,778.12
  5. Step 5: Solve for x
    x = 1,193,216,778.12/45,268
  6. Step 6: Final answer
    x = 26,358.95

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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.