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Finding the Fourth Proportional to 75,912.98, 104,751.96 and 44,075.66

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Solution

The fourth proportional to 75,912.98, 104,751.96 and 44,075.66 is: 60,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,912.98 : 104,751.96 = 44,075.66 : x
  2. Step 2: Convert to fraction form
    75,912.98/104,751.96 = 44,075.66/x
  3. Step 3: Cross multiply
    75,912.98x = 104,751.96 × 44,075.66
  4. Step 4: Simplify right side
    75,912.98x = 4,617,011,773.29
  5. Step 5: Solve for x
    x = 4,617,011,773.29/75,912.98
  6. Step 6: Final answer
    x = 60,819.79

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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.