Home / 69,739.79-104,610.42-27,630.12

Finding the Fourth Proportional to 69,739.79, 104,610.42 and 27,630.12

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Solution

The fourth proportional to 69,739.79, 104,610.42 and 27,630.12 is: 41,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,739.79 : 104,610.42 = 27,630.12 : x
  2. Step 2: Convert to fraction form
    69,739.79/104,610.42 = 27,630.12/x
  3. Step 3: Cross multiply
    69,739.79x = 104,610.42 × 27,630.12
  4. Step 4: Simplify right side
    69,739.79x = 2,890,398,457.85
  5. Step 5: Solve for x
    x = 2,890,398,457.85/69,739.79
  6. Step 6: Final answer
    x = 41,445.47

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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.