Home / 106,233.64-159,449-53,680.04

Finding the Fourth Proportional to 106,233.64, 159,449 and 53,680.04

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Solution

The fourth proportional to 106,233.64, 159,449 and 53,680.04 is: 80,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,233.64 : 159,449 = 53,680.04 : x
  2. Step 2: Convert to fraction form
    106,233.64/159,449 = 53,680.04/x
  3. Step 3: Cross multiply
    106,233.64x = 159,449 × 53,680.04
  4. Step 4: Simplify right side
    106,233.64x = 8,559,228,697.96
  5. Step 5: Solve for x
    x = 8,559,228,697.96/106,233.64
  6. Step 6: Final answer
    x = 80,569.85

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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.