Home / 53,451.98-80,177.11-18,391.94

Finding the Fourth Proportional to 53,451.98, 80,177.11 and 18,391.94

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Solution

The fourth proportional to 53,451.98, 80,177.11 and 18,391.94 is: 27,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,451.98 : 80,177.11 = 18,391.94 : x
  2. Step 2: Convert to fraction form
    53,451.98/80,177.11 = 18,391.94/x
  3. Step 3: Cross multiply
    53,451.98x = 80,177.11 × 18,391.94
  4. Step 4: Simplify right side
    53,451.98x = 1,474,612,596.49
  5. Step 5: Solve for x
    x = 1,474,612,596.49/53,451.98
  6. Step 6: Final answer
    x = 27,587.61

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1.5x scale

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.