Home / 79,912.61-119,837.73-29,965.49

Finding the Fourth Proportional to 79,912.61, 119,837.73 and 29,965.49

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Solution

The fourth proportional to 79,912.61, 119,837.73 and 29,965.49 is: 44,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,912.61 : 119,837.73 = 29,965.49 : x
  2. Step 2: Convert to fraction form
    79,912.61/119,837.73 = 29,965.49/x
  3. Step 3: Cross multiply
    79,912.61x = 119,837.73 × 29,965.49
  4. Step 4: Simplify right side
    79,912.61x = 3,590,995,700.75
  5. Step 5: Solve for x
    x = 3,590,995,700.75/79,912.61
  6. Step 6: Final answer
    x = 44,936.54

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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.