Home / 72,947.53-109,377.54-33,455.17

Finding the Fourth Proportional to 72,947.53, 109,377.54 and 33,455.17

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Solution

The fourth proportional to 72,947.53, 109,377.54 and 33,455.17 is: 50,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,947.53 : 109,377.54 = 33,455.17 : x
  2. Step 2: Convert to fraction form
    72,947.53/109,377.54 = 33,455.17/x
  3. Step 3: Cross multiply
    72,947.53x = 109,377.54 × 33,455.17
  4. Step 4: Simplify right side
    72,947.53x = 3,659,244,194.88
  5. Step 5: Solve for x
    x = 3,659,244,194.88/72,947.53
  6. Step 6: Final answer
    x = 50,162.69

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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.