Home / 106,405.16-159,644.20-36,333.68

Finding the Fourth Proportional to 106,405.16, 159,644.20 and 36,333.68

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Solution

The fourth proportional to 106,405.16, 159,644.20 and 36,333.68 is: 54,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,405.16 : 159,644.20 = 36,333.68 : x
  2. Step 2: Convert to fraction form
    106,405.16/159,644.20 = 36,333.68/x
  3. Step 3: Cross multiply
    106,405.16x = 159,644.20 × 36,333.68
  4. Step 4: Simplify right side
    106,405.16x = 5,800,461,276.66
  5. Step 5: Solve for x
    x = 5,800,461,276.66/106,405.16
  6. Step 6: Final answer
    x = 54,512.97

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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.