Home / 75,928.50-113,898.42-29,181.78

Finding the Fourth Proportional to 75,928.50, 113,898.42 and 29,181.78

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Solution

The fourth proportional to 75,928.50, 113,898.42 and 29,181.78 is: 43,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,928.50 : 113,898.42 = 29,181.78 : x
  2. Step 2: Convert to fraction form
    75,928.50/113,898.42 = 29,181.78/x
  3. Step 3: Cross multiply
    75,928.50x = 113,898.42 × 29,181.78
  4. Step 4: Simplify right side
    75,928.50x = 3,323,758,634.79
  5. Step 5: Solve for x
    x = 3,323,758,634.79/75,928.50
  6. Step 6: Final answer
    x = 43,774.85

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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.