Home / 53,790.92-80,697.32-18,733.32

Finding the Fourth Proportional to 53,790.92, 80,697.32 and 18,733.32

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Solution

The fourth proportional to 53,790.92, 80,697.32 and 18,733.32 is: 28,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.92 : 80,697.32 = 18,733.32 : x
  2. Step 2: Convert to fraction form
    53,790.92/80,697.32 = 18,733.32/x
  3. Step 3: Cross multiply
    53,790.92x = 80,697.32 × 18,733.32
  4. Step 4: Simplify right side
    53,790.92x = 1,511,728,718.70
  5. Step 5: Solve for x
    x = 1,511,728,718.70/53,790.92
  6. Step 6: Final answer
    x = 28,103.79

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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.