Home / 57,905.22-86,872.81-33,909.79

Finding the Fourth Proportional to 57,905.22, 86,872.81 and 33,909.79

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Solution

The fourth proportional to 57,905.22, 86,872.81 and 33,909.79 is: 50,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,905.22 : 86,872.81 = 33,909.79 : x
  2. Step 2: Convert to fraction form
    57,905.22/86,872.81 = 33,909.79/x
  3. Step 3: Cross multiply
    57,905.22x = 86,872.81 × 33,909.79
  4. Step 4: Simplify right side
    57,905.22x = 2,945,838,399.47
  5. Step 5: Solve for x
    x = 2,945,838,399.47/57,905.22
  6. Step 6: Final answer
    x = 50,873.45

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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.