Home / 72,629.81-108,947.79-22,710.84

Finding the Fourth Proportional to 72,629.81, 108,947.79 and 22,710.84

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Solution

The fourth proportional to 72,629.81, 108,947.79 and 22,710.84 is: 34,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,629.81 : 108,947.79 = 22,710.84 : x
  2. Step 2: Convert to fraction form
    72,629.81/108,947.79 = 22,710.84/x
  3. Step 3: Cross multiply
    72,629.81x = 108,947.79 × 22,710.84
  4. Step 4: Simplify right side
    72,629.81x = 2,474,295,827.04
  5. Step 5: Solve for x
    x = 2,474,295,827.04/72,629.81
  6. Step 6: Final answer
    x = 34,067.22

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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.