Home / 80,187.48-120,321.32-35,846.06

Finding the Fourth Proportional to 80,187.48, 120,321.32 and 35,846.06

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Solution

The fourth proportional to 80,187.48, 120,321.32 and 35,846.06 is: 53,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,187.48 : 120,321.32 = 35,846.06 : x
  2. Step 2: Convert to fraction form
    80,187.48/120,321.32 = 35,846.06/x
  3. Step 3: Cross multiply
    80,187.48x = 120,321.32 × 35,846.06
  4. Step 4: Simplify right side
    80,187.48x = 4,313,044,475.16
  5. Step 5: Solve for x
    x = 4,313,044,475.16/80,187.48
  6. Step 6: Final answer
    x = 53,787.01

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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.