Home / 53,861.80-80,805.52-27,142.14

Finding the Fourth Proportional to 53,861.80, 80,805.52 and 27,142.14

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Solution

The fourth proportional to 53,861.80, 80,805.52 and 27,142.14 is: 40,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.80 : 80,805.52 = 27,142.14 : x
  2. Step 2: Convert to fraction form
    53,861.80/80,805.52 = 27,142.14/x
  3. Step 3: Cross multiply
    53,861.80x = 80,805.52 × 27,142.14
  4. Step 4: Simplify right side
    53,861.80x = 2,193,234,736.61
  5. Step 5: Solve for x
    x = 2,193,234,736.61/53,861.80
  6. Step 6: Final answer
    x = 40,719.67

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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.