Home / 45,868.44-68,768.10-18,151.32

Finding the Fourth Proportional to 45,868.44, 68,768.10 and 18,151.32

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Solution

The fourth proportional to 45,868.44, 68,768.10 and 18,151.32 is: 27,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,868.44 : 68,768.10 = 18,151.32 : x
  2. Step 2: Convert to fraction form
    45,868.44/68,768.10 = 18,151.32/x
  3. Step 3: Cross multiply
    45,868.44x = 68,768.10 × 18,151.32
  4. Step 4: Simplify right side
    45,868.44x = 1,248,231,788.89
  5. Step 5: Solve for x
    x = 1,248,231,788.89/45,868.44
  6. Step 6: Final answer
    x = 27,213.30

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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.