Home / 84,404.44-126,625.38-31,814.38

Finding the Fourth Proportional to 84,404.44, 126,625.38 and 31,814.38

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Solution

The fourth proportional to 84,404.44, 126,625.38 and 31,814.38 is: 47,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,404.44 : 126,625.38 = 31,814.38 : x
  2. Step 2: Convert to fraction form
    84,404.44/126,625.38 = 31,814.38/x
  3. Step 3: Cross multiply
    84,404.44x = 126,625.38 × 31,814.38
  4. Step 4: Simplify right side
    84,404.44x = 4,028,507,956.96
  5. Step 5: Solve for x
    x = 4,028,507,956.96/84,404.44
  6. Step 6: Final answer
    x = 47,728.63

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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.