Home / 45,738.75-68,537.27-31,726.02

Finding the Fourth Proportional to 45,738.75, 68,537.27 and 31,726.02

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Solution

The fourth proportional to 45,738.75, 68,537.27 and 31,726.02 is: 47,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,738.75 : 68,537.27 = 31,726.02 : x
  2. Step 2: Convert to fraction form
    45,738.75/68,537.27 = 31,726.02/x
  3. Step 3: Cross multiply
    45,738.75x = 68,537.27 × 31,726.02
  4. Step 4: Simplify right side
    45,738.75x = 2,174,414,878.08
  5. Step 5: Solve for x
    x = 2,174,414,878.08/45,738.75
  6. Step 6: Final answer
    x = 47,539.88

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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.