Home / 123,571.38-185,388.21-57,058.14

Finding the Fourth Proportional to 123,571.38, 185,388.21 and 57,058.14

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Solution

The fourth proportional to 123,571.38, 185,388.21 and 57,058.14 is: 85,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,571.38 : 185,388.21 = 57,058.14 : x
  2. Step 2: Convert to fraction form
    123,571.38/185,388.21 = 57,058.14/x
  3. Step 3: Cross multiply
    123,571.38x = 185,388.21 × 57,058.14
  4. Step 4: Simplify right side
    123,571.38x = 10,577,906,440.53
  5. Step 5: Solve for x
    x = 10,577,906,440.53/123,571.38
  6. Step 6: Final answer
    x = 85,601.59

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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.