Home / 80,788.78-111,488.26-44,977.86

Finding the Fourth Proportional to 80,788.78, 111,488.26 and 44,977.86

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Solution

The fourth proportional to 80,788.78, 111,488.26 and 44,977.86 is: 62,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,788.78 : 111,488.26 = 44,977.86 : x
  2. Step 2: Convert to fraction form
    80,788.78/111,488.26 = 44,977.86/x
  3. Step 3: Cross multiply
    80,788.78x = 111,488.26 × 44,977.86
  4. Step 4: Simplify right side
    80,788.78x = 5,014,503,349.92
  5. Step 5: Solve for x
    x = 5,014,503,349.92/80,788.78
  6. Step 6: Final answer
    x = 62,069.30

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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.