Home / 69,961.20-104,966.10-30,546.60

Finding the Fourth Proportional to 69,961.20, 104,966.10 and 30,546.60

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Solution

The fourth proportional to 69,961.20, 104,966.10 and 30,546.60 is: 45,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961.20 : 104,966.10 = 30,546.60 : x
  2. Step 2: Convert to fraction form
    69,961.20/104,966.10 = 30,546.60/x
  3. Step 3: Cross multiply
    69,961.20x = 104,966.10 × 30,546.60
  4. Step 4: Simplify right side
    69,961.20x = 3,206,357,470.26
  5. Step 5: Solve for x
    x = 3,206,357,470.26/69,961.20
  6. Step 6: Final answer
    x = 45,830.51

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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.