Home / 81,932.25-122,898.38-46,847.30

Finding the Fourth Proportional to 81,932.25, 122,898.38 and 46,847.30

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Solution

The fourth proportional to 81,932.25, 122,898.38 and 46,847.30 is: 70,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,932.25 : 122,898.38 = 46,847.30 : x
  2. Step 2: Convert to fraction form
    81,932.25/122,898.38 = 46,847.30/x
  3. Step 3: Cross multiply
    81,932.25x = 122,898.38 × 46,847.30
  4. Step 4: Simplify right side
    81,932.25x = 5,757,457,350.38
  5. Step 5: Solve for x
    x = 5,757,457,350.38/81,932.25
  6. Step 6: Final answer
    x = 70,270.95

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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.