Home / 56,540.75-84,811.41-33,150.78

Finding the Fourth Proportional to 56,540.75, 84,811.41 and 33,150.78

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Solution

The fourth proportional to 56,540.75, 84,811.41 and 33,150.78 is: 49,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,540.75 : 84,811.41 = 33,150.78 : x
  2. Step 2: Convert to fraction form
    56,540.75/84,811.41 = 33,150.78/x
  3. Step 3: Cross multiply
    56,540.75x = 84,811.41 × 33,150.78
  4. Step 4: Simplify right side
    56,540.75x = 2,811,564,394.40
  5. Step 5: Solve for x
    x = 2,811,564,394.40/56,540.75
  6. Step 6: Final answer
    x = 49,726.34

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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.