Home / 81,865.28-122,797.44-22,700.32

Finding the Fourth Proportional to 81,865.28, 122,797.44 and 22,700.32

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Solution

The fourth proportional to 81,865.28, 122,797.44 and 22,700.32 is: 34,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,865.28 : 122,797.44 = 22,700.32 : x
  2. Step 2: Convert to fraction form
    81,865.28/122,797.44 = 22,700.32/x
  3. Step 3: Cross multiply
    81,865.28x = 122,797.44 × 22,700.32
  4. Step 4: Simplify right side
    81,865.28x = 2,787,541,183.18
  5. Step 5: Solve for x
    x = 2,787,541,183.18/81,865.28
  6. Step 6: Final answer
    x = 34,050.35

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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.