Home / 78,832.40-108,791.10-44,845.78

Finding the Fourth Proportional to 78,832.40, 108,791.10 and 44,845.78

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Solution

The fourth proportional to 78,832.40, 108,791.10 and 44,845.78 is: 61,888.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,832.40 : 108,791.10 = 44,845.78 : x
  2. Step 2: Convert to fraction form
    78,832.40/108,791.10 = 44,845.78/x
  3. Step 3: Cross multiply
    78,832.40x = 108,791.10 × 44,845.78
  4. Step 4: Simplify right side
    78,832.40x = 4,878,821,736.56
  5. Step 5: Solve for x
    x = 4,878,821,736.56/78,832.40
  6. Step 6: Final answer
    x = 61,888.53

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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.