Home / 106,056.20-159,080.64-27,171.20

Finding the Fourth Proportional to 106,056.20, 159,080.64 and 27,171.20

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Solution

The fourth proportional to 106,056.20, 159,080.64 and 27,171.20 is: 40,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,056.20 : 159,080.64 = 27,171.20 : x
  2. Step 2: Convert to fraction form
    106,056.20/159,080.64 = 27,171.20/x
  3. Step 3: Cross multiply
    106,056.20x = 159,080.64 × 27,171.20
  4. Step 4: Simplify right side
    106,056.20x = 4,322,411,885.57
  5. Step 5: Solve for x
    x = 4,322,411,885.57/106,056.20
  6. Step 6: Final answer
    x = 40,755.86

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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.