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Finding the Fourth Proportional to 75,797.66, 104,605.54 and 43,542.37

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Solution

The fourth proportional to 75,797.66, 104,605.54 and 43,542.37 is: 60,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,797.66 : 104,605.54 = 43,542.37 : x
  2. Step 2: Convert to fraction form
    75,797.66/104,605.54 = 43,542.37/x
  3. Step 3: Cross multiply
    75,797.66x = 104,605.54 × 43,542.37
  4. Step 4: Simplify right side
    75,797.66x = 4,554,772,603.70
  5. Step 5: Solve for x
    x = 4,554,772,603.70/75,797.66
  6. Step 6: Final answer
    x = 60,091.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.