Home / 54,253.18-81,310.51-47,203.75

Finding the Fourth Proportional to 54,253.18, 81,310.51 and 47,203.75

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Solution

The fourth proportional to 54,253.18, 81,310.51 and 47,203.75 is: 70,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,253.18 : 81,310.51 = 47,203.75 : x
  2. Step 2: Convert to fraction form
    54,253.18/81,310.51 = 47,203.75/x
  3. Step 3: Cross multiply
    54,253.18x = 81,310.51 × 47,203.75
  4. Step 4: Simplify right side
    54,253.18x = 3,838,160,986.41
  5. Step 5: Solve for x
    x = 3,838,160,986.41/54,253.18
  6. Step 6: Final answer
    x = 70,745.36

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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.