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Finding the Fourth Proportional to 60,759.69, 91,076.99 and 23,309.79

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Solution

The fourth proportional to 60,759.69, 91,076.99 and 23,309.79 is: 34,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,759.69 : 91,076.99 = 23,309.79 : x
  2. Step 2: Convert to fraction form
    60,759.69/91,076.99 = 23,309.79/x
  3. Step 3: Cross multiply
    60,759.69x = 91,076.99 × 23,309.79
  4. Step 4: Simplify right side
    60,759.69x = 2,122,985,394.18
  5. Step 5: Solve for x
    x = 2,122,985,394.18/60,759.69
  6. Step 6: Final answer
    x = 34,940.69

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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.