Home / 80,442.24-111,023.61-44,643.75

Finding the Fourth Proportional to 80,442.24, 111,023.61 and 44,643.75

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Solution

The fourth proportional to 80,442.24, 111,023.61 and 44,643.75 is: 61,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,442.24 : 111,023.61 = 44,643.75 : x
  2. Step 2: Convert to fraction form
    80,442.24/111,023.61 = 44,643.75/x
  3. Step 3: Cross multiply
    80,442.24x = 111,023.61 × 44,643.75
  4. Step 4: Simplify right side
    80,442.24x = 4,956,510,288.94
  5. Step 5: Solve for x
    x = 4,956,510,288.94/80,442.24
  6. Step 6: Final answer
    x = 61,615.77

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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.