Home / 80,792.46-111,548.34-50,589.90

Finding the Fourth Proportional to 80,792.46, 111,548.34 and 50,589.90

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Solution

The fourth proportional to 80,792.46, 111,548.34 and 50,589.90 is: 69,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,792.46 : 111,548.34 = 50,589.90 : x
  2. Step 2: Convert to fraction form
    80,792.46/111,548.34 = 50,589.90/x
  3. Step 3: Cross multiply
    80,792.46x = 111,548.34 × 50,589.90
  4. Step 4: Simplify right side
    80,792.46x = 5,643,219,365.77
  5. Step 5: Solve for x
    x = 5,643,219,365.77/80,792.46
  6. Step 6: Final answer
    x = 69,848.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.