Home / 45,474.42-68,221.08-19,179.39

Finding the Fourth Proportional to 45,474.42, 68,221.08 and 19,179.39

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Solution

The fourth proportional to 45,474.42, 68,221.08 and 19,179.39 is: 28,773.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,474.42 : 68,221.08 = 19,179.39 : x
  2. Step 2: Convert to fraction form
    45,474.42/68,221.08 = 19,179.39/x
  3. Step 3: Cross multiply
    45,474.42x = 68,221.08 × 19,179.39
  4. Step 4: Simplify right side
    45,474.42x = 1,308,438,699.54
  5. Step 5: Solve for x
    x = 1,308,438,699.54/45,474.42
  6. Step 6: Final answer
    x = 28,773.07

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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.