Home / 66,228.22-91,391.25-37,935.73

Finding the Fourth Proportional to 66,228.22, 91,391.25 and 37,935.73

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Solution

The fourth proportional to 66,228.22, 91,391.25 and 37,935.73 is: 52,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,228.22 : 91,391.25 = 37,935.73 : x
  2. Step 2: Convert to fraction form
    66,228.22/91,391.25 = 37,935.73/x
  3. Step 3: Cross multiply
    66,228.22x = 91,391.25 × 37,935.73
  4. Step 4: Simplify right side
    66,228.22x = 3,466,993,784.36
  5. Step 5: Solve for x
    x = 3,466,993,784.36/66,228.22
  6. Step 6: Final answer
    x = 52,349.19

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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.