Home / 75,911.06-113,876.31-29,157.86

Finding the Fourth Proportional to 75,911.06, 113,876.31 and 29,157.86

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Solution

The fourth proportional to 75,911.06, 113,876.31 and 29,157.86 is: 43,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,911.06 : 113,876.31 = 29,157.86 : x
  2. Step 2: Convert to fraction form
    75,911.06/113,876.31 = 29,157.86/x
  3. Step 3: Cross multiply
    75,911.06x = 113,876.31 × 29,157.86
  4. Step 4: Simplify right side
    75,911.06x = 3,320,389,504.30
  5. Step 5: Solve for x
    x = 3,320,389,504.30/75,911.06
  6. Step 6: Final answer
    x = 43,740.52

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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.