Home / 106,410.45-159,517.65-36,240.96

Finding the Fourth Proportional to 106,410.45, 159,517.65 and 36,240.96

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Solution

The fourth proportional to 106,410.45, 159,517.65 and 36,240.96 is: 54,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,410.45 : 159,517.65 = 36,240.96 : x
  2. Step 2: Convert to fraction form
    106,410.45/159,517.65 = 36,240.96/x
  3. Step 3: Cross multiply
    106,410.45x = 159,517.65 × 36,240.96
  4. Step 4: Simplify right side
    106,410.45x = 5,781,072,772.94
  5. Step 5: Solve for x
    x = 5,781,072,772.94/106,410.45
  6. Step 6: Final answer
    x = 54,328.05

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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.