Home / 53,861.68-80,805.33-27,142.01

Finding the Fourth Proportional to 53,861.68, 80,805.33 and 27,142.01

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Solution

The fourth proportional to 53,861.68, 80,805.33 and 27,142.01 is: 40,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.68 : 80,805.33 = 27,142.01 : x
  2. Step 2: Convert to fraction form
    53,861.68/80,805.33 = 27,142.01/x
  3. Step 3: Cross multiply
    53,861.68x = 80,805.33 × 27,142.01
  4. Step 4: Simplify right side
    53,861.68x = 2,193,219,074.91
  5. Step 5: Solve for x
    x = 2,193,219,074.91/53,861.68
  6. Step 6: Final answer
    x = 40,719.47

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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.