Home / 106,475.28-159,555.13-43,218.43

Finding the Fourth Proportional to 106,475.28, 159,555.13 and 43,218.43

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Solution

The fourth proportional to 106,475.28, 159,555.13 and 43,218.43 is: 64,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,475.28 : 159,555.13 = 43,218.43 : x
  2. Step 2: Convert to fraction form
    106,475.28/159,555.13 = 43,218.43/x
  3. Step 3: Cross multiply
    106,475.28x = 159,555.13 × 43,218.43
  4. Step 4: Simplify right side
    106,475.28x = 6,895,722,850.71
  5. Step 5: Solve for x
    x = 6,895,722,850.71/106,475.28
  6. Step 6: Final answer
    x = 64,763.60

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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.