Home / 78,226.44-117,338.41-19,062.01

Finding the Fourth Proportional to 78,226.44, 117,338.41 and 19,062.01

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Solution

The fourth proportional to 78,226.44, 117,338.41 and 19,062.01 is: 28,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,226.44 : 117,338.41 = 19,062.01 : x
  2. Step 2: Convert to fraction form
    78,226.44/117,338.41 = 19,062.01/x
  3. Step 3: Cross multiply
    78,226.44x = 117,338.41 × 19,062.01
  4. Step 4: Simplify right side
    78,226.44x = 2,236,705,944.80
  5. Step 5: Solve for x
    x = 2,236,705,944.80/78,226.44
  6. Step 6: Final answer
    x = 28,592.71

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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.