Home / 53,677.25-80,525.14-18,138.85

Finding the Fourth Proportional to 53,677.25, 80,525.14 and 18,138.85

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Solution

The fourth proportional to 53,677.25, 80,525.14 and 18,138.85 is: 27,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,677.25 : 80,525.14 = 18,138.85 : x
  2. Step 2: Convert to fraction form
    53,677.25/80,525.14 = 18,138.85/x
  3. Step 3: Cross multiply
    53,677.25x = 80,525.14 × 18,138.85
  4. Step 4: Simplify right side
    53,677.25x = 1,460,633,641.98
  5. Step 5: Solve for x
    x = 1,460,633,641.98/53,677.25
  6. Step 6: Final answer
    x = 27,211.41

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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.