Home / 68,648.24-94,726.74-38,429.36

Finding the Fourth Proportional to 68,648.24, 94,726.74 and 38,429.36

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Solution

The fourth proportional to 68,648.24, 94,726.74 and 38,429.36 is: 53,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,648.24 : 94,726.74 = 38,429.36 : x
  2. Step 2: Convert to fraction form
    68,648.24/94,726.74 = 38,429.36/x
  3. Step 3: Cross multiply
    68,648.24x = 94,726.74 × 38,429.36
  4. Step 4: Simplify right side
    68,648.24x = 3,640,287,993.09
  5. Step 5: Solve for x
    x = 3,640,287,993.09/68,648.24
  6. Step 6: Final answer
    x = 53,028.13

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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.