Home / 106,568.10-159,641.55-54,015.30

Finding the Fourth Proportional to 106,568.10, 159,641.55 and 54,015.30

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Solution

The fourth proportional to 106,568.10, 159,641.55 and 54,015.30 is: 80,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,568.10 : 159,641.55 = 54,015.30 : x
  2. Step 2: Convert to fraction form
    106,568.10/159,641.55 = 54,015.30/x
  3. Step 3: Cross multiply
    106,568.10x = 159,641.55 × 54,015.30
  4. Step 4: Simplify right side
    106,568.10x = 8,623,086,215.72
  5. Step 5: Solve for x
    x = 8,623,086,215.72/106,568.10
  6. Step 6: Final answer
    x = 80,916.20

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1.5x scale

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.