Home / 53,861.38-80,791.90-14,418.50

Finding the Fourth Proportional to 53,861.38, 80,791.90 and 14,418.50

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Solution

The fourth proportional to 53,861.38, 80,791.90 and 14,418.50 is: 21,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.38 : 80,791.90 = 14,418.50 : x
  2. Step 2: Convert to fraction form
    53,861.38/80,791.90 = 14,418.50/x
  3. Step 3: Cross multiply
    53,861.38x = 80,791.90 × 14,418.50
  4. Step 4: Simplify right side
    53,861.38x = 1,164,897,570.14
  5. Step 5: Solve for x
    x = 1,164,897,570.14/53,861.38
  6. Step 6: Final answer
    x = 21,627.70

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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.