Home / 107,504.91-161,301.78-54,168.38

Finding the Fourth Proportional to 107,504.91, 161,301.78 and 54,168.38

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Solution

The fourth proportional to 107,504.91, 161,301.78 and 54,168.38 is: 81,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,504.91 : 161,301.78 = 54,168.38 : x
  2. Step 2: Convert to fraction form
    107,504.91/161,301.78 = 54,168.38/x
  3. Step 3: Cross multiply
    107,504.91x = 161,301.78 × 54,168.38
  4. Step 4: Simplify right side
    107,504.91x = 8,737,455,036.37
  5. Step 5: Solve for x
    x = 8,737,455,036.37/107,504.91
  6. Step 6: Final answer
    x = 81,274.94

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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.