Home / 99,810.28-149,665.20-33,226.66

Finding the Fourth Proportional to 99,810.28, 149,665.20 and 33,226.66

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Solution

The fourth proportional to 99,810.28, 149,665.20 and 33,226.66 is: 49,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,810.28 : 149,665.20 = 33,226.66 : x
  2. Step 2: Convert to fraction form
    99,810.28/149,665.20 = 33,226.66/x
  3. Step 3: Cross multiply
    99,810.28x = 149,665.20 × 33,226.66
  4. Step 4: Simplify right side
    99,810.28x = 4,972,874,714.23
  5. Step 5: Solve for x
    x = 4,972,874,714.23/99,810.28
  6. Step 6: Final answer
    x = 49,823.27

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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.