Home / 54,163.60-81,253.10-16,726.72

Finding the Fourth Proportional to 54,163.60, 81,253.10 and 16,726.72

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Solution

The fourth proportional to 54,163.60, 81,253.10 and 16,726.72 is: 25,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.60 : 81,253.10 = 16,726.72 : x
  2. Step 2: Convert to fraction form
    54,163.60/81,253.10 = 16,726.72/x
  3. Step 3: Cross multiply
    54,163.60x = 81,253.10 × 16,726.72
  4. Step 4: Simplify right side
    54,163.60x = 1,359,097,852.83
  5. Step 5: Solve for x
    x = 1,359,097,852.83/54,163.60
  6. Step 6: Final answer
    x = 25,092.46

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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.