Home / 109,736.96-151,449.33-61,993.40

Finding the Fourth Proportional to 109,736.96, 151,449.33 and 61,993.40

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Solution

The fourth proportional to 109,736.96, 151,449.33 and 61,993.40 is: 85,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,736.96 : 151,449.33 = 61,993.40 : x
  2. Step 2: Convert to fraction form
    109,736.96/151,449.33 = 61,993.40/x
  3. Step 3: Cross multiply
    109,736.96x = 151,449.33 × 61,993.40
  4. Step 4: Simplify right side
    109,736.96x = 9,388,858,137.18
  5. Step 5: Solve for x
    x = 9,388,858,137.18/109,736.96
  6. Step 6: Final answer
    x = 85,557.85

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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.