Home / 79,919.73-119,845.44-29,965.21

Finding the Fourth Proportional to 79,919.73, 119,845.44 and 29,965.21

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Solution

The fourth proportional to 79,919.73, 119,845.44 and 29,965.21 is: 44,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,919.73 : 119,845.44 = 29,965.21 : x
  2. Step 2: Convert to fraction form
    79,919.73/119,845.44 = 29,965.21/x
  3. Step 3: Cross multiply
    79,919.73x = 119,845.44 × 29,965.21
  4. Step 4: Simplify right side
    79,919.73x = 3,591,193,477.53
  5. Step 5: Solve for x
    x = 3,591,193,477.53/79,919.73
  6. Step 6: Final answer
    x = 44,935.01

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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.