Home / 106,863.30-160,586.10-56,979.36

Finding the Fourth Proportional to 106,863.30, 160,586.10 and 56,979.36

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Solution

The fourth proportional to 106,863.30, 160,586.10 and 56,979.36 is: 85,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,863.30 : 160,586.10 = 56,979.36 : x
  2. Step 2: Convert to fraction form
    106,863.30/160,586.10 = 56,979.36/x
  3. Step 3: Cross multiply
    106,863.30x = 160,586.10 × 56,979.36
  4. Step 4: Simplify right side
    106,863.30x = 9,150,093,202.90
  5. Step 5: Solve for x
    x = 9,150,093,202.90/106,863.30
  6. Step 6: Final answer
    x = 85,624.28

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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.