Home / 54,174.60-81,188.08-33,121.98

Finding the Fourth Proportional to 54,174.60, 81,188.08 and 33,121.98

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Solution

The fourth proportional to 54,174.60, 81,188.08 and 33,121.98 is: 49,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.60 : 81,188.08 = 33,121.98 : x
  2. Step 2: Convert to fraction form
    54,174.60/81,188.08 = 33,121.98/x
  3. Step 3: Cross multiply
    54,174.60x = 81,188.08 × 33,121.98
  4. Step 4: Simplify right side
    54,174.60x = 2,689,109,962.00
  5. Step 5: Solve for x
    x = 2,689,109,962.00/54,174.60
  6. Step 6: Final answer
    x = 49,637.84

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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.