Home / 54,052.86-81,116.20-18,992.52

Finding the Fourth Proportional to 54,052.86, 81,116.20 and 18,992.52

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Solution

The fourth proportional to 54,052.86, 81,116.20 and 18,992.52 is: 28,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,052.86 : 81,116.20 = 18,992.52 : x
  2. Step 2: Convert to fraction form
    54,052.86/81,116.20 = 18,992.52/x
  3. Step 3: Cross multiply
    54,052.86x = 81,116.20 × 18,992.52
  4. Step 4: Simplify right side
    54,052.86x = 1,540,601,003.34
  5. Step 5: Solve for x
    x = 1,540,601,003.34/54,052.86
  6. Step 6: Final answer
    x = 28,501.75

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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.