Home / 107,619.84-161,326.08-33,730.56

Finding the Fourth Proportional to 107,619.84, 161,326.08 and 33,730.56

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Solution

The fourth proportional to 107,619.84, 161,326.08 and 33,730.56 is: 50,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,619.84 : 161,326.08 = 33,730.56 : x
  2. Step 2: Convert to fraction form
    107,619.84/161,326.08 = 33,730.56/x
  3. Step 3: Cross multiply
    107,619.84x = 161,326.08 × 33,730.56
  4. Step 4: Simplify right side
    107,619.84x = 5,441,619,021.00
  5. Step 5: Solve for x
    x = 5,441,619,021.00/107,619.84
  6. Step 6: Final answer
    x = 50,563.34

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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.