Home / 81,919.94-113,049.24-46,109.93

Finding the Fourth Proportional to 81,919.94, 113,049.24 and 46,109.93

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Solution

The fourth proportional to 81,919.94, 113,049.24 and 46,109.93 is: 63,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,919.94 : 113,049.24 = 46,109.93 : x
  2. Step 2: Convert to fraction form
    81,919.94/113,049.24 = 46,109.93/x
  3. Step 3: Cross multiply
    81,919.94x = 113,049.24 × 46,109.93
  4. Step 4: Simplify right side
    81,919.94x = 5,212,692,542.95
  5. Step 5: Solve for x
    x = 5,212,692,542.95/81,919.94
  6. Step 6: Final answer
    x = 63,631.55

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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.