Home / 53,961.40-80,869.20-36,141.40

Finding the Fourth Proportional to 53,961.40, 80,869.20 and 36,141.40

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Solution

The fourth proportional to 53,961.40, 80,869.20 and 36,141.40 is: 54,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,961.40 : 80,869.20 = 36,141.40 : x
  2. Step 2: Convert to fraction form
    53,961.40/80,869.20 = 36,141.40/x
  3. Step 3: Cross multiply
    53,961.40x = 80,869.20 × 36,141.40
  4. Step 4: Simplify right side
    53,961.40x = 2,922,726,104.88
  5. Step 5: Solve for x
    x = 2,922,726,104.88/53,961.40
  6. Step 6: Final answer
    x = 54,163.27

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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.