Home / 91,664.90-137,471.06-27,629.25

Finding the Fourth Proportional to 91,664.90, 137,471.06 and 27,629.25

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Solution

The fourth proportional to 91,664.90, 137,471.06 and 27,629.25 is: 41,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,664.90 : 137,471.06 = 27,629.25 : x
  2. Step 2: Convert to fraction form
    91,664.90/137,471.06 = 27,629.25/x
  3. Step 3: Cross multiply
    91,664.90x = 137,471.06 × 27,629.25
  4. Step 4: Simplify right side
    91,664.90x = 3,798,222,455.92
  5. Step 5: Solve for x
    x = 3,798,222,455.92/91,664.90
  6. Step 6: Final answer
    x = 41,435.95

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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.