Home / 88,018.08-131,873.52-73,321.44

Finding the Fourth Proportional to 88,018.08, 131,873.52 and 73,321.44

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Solution

The fourth proportional to 88,018.08, 131,873.52 and 73,321.44 is: 109,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,018.08 : 131,873.52 = 73,321.44 : x
  2. Step 2: Convert to fraction form
    88,018.08/131,873.52 = 73,321.44/x
  3. Step 3: Cross multiply
    88,018.08x = 131,873.52 × 73,321.44
  4. Step 4: Simplify right side
    88,018.08x = 9,669,156,384.27
  5. Step 5: Solve for x
    x = 9,669,156,384.27/88,018.08
  6. Step 6: Final answer
    x = 109,854.21

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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.