Home / 70,002.21-104,961.09-27,888.79

Finding the Fourth Proportional to 70,002.21, 104,961.09 and 27,888.79

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Solution

The fourth proportional to 70,002.21, 104,961.09 and 27,888.79 is: 41,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,002.21 : 104,961.09 = 27,888.79 : x
  2. Step 2: Convert to fraction form
    70,002.21/104,961.09 = 27,888.79/x
  3. Step 3: Cross multiply
    70,002.21x = 104,961.09 × 27,888.79
  4. Step 4: Simplify right side
    70,002.21x = 2,927,237,757.73
  5. Step 5: Solve for x
    x = 2,927,237,757.73/70,002.21
  6. Step 6: Final answer
    x = 41,816.36

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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.