Home / 47,754.86-71,663.38-18,172.96

Finding the Fourth Proportional to 47,754.86, 71,663.38 and 18,172.96

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Solution

The fourth proportional to 47,754.86, 71,663.38 and 18,172.96 is: 27,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,754.86 : 71,663.38 = 18,172.96 : x
  2. Step 2: Convert to fraction form
    47,754.86/71,663.38 = 18,172.96/x
  3. Step 3: Cross multiply
    47,754.86x = 71,663.38 × 18,172.96
  4. Step 4: Simplify right side
    47,754.86x = 1,302,335,738.20
  5. Step 5: Solve for x
    x = 1,302,335,738.20/47,754.86
  6. Step 6: Final answer
    x = 27,271.27

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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.