Home / 73,318.74-109,956.12-38,239.26

Finding the Fourth Proportional to 73,318.74, 109,956.12 and 38,239.26

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Solution

The fourth proportional to 73,318.74, 109,956.12 and 38,239.26 is: 57,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,318.74 : 109,956.12 = 38,239.26 : x
  2. Step 2: Convert to fraction form
    73,318.74/109,956.12 = 38,239.26/x
  3. Step 3: Cross multiply
    73,318.74x = 109,956.12 × 38,239.26
  4. Step 4: Simplify right side
    73,318.74x = 4,204,640,661.27
  5. Step 5: Solve for x
    x = 4,204,640,661.27/73,318.74
  6. Step 6: Final answer
    x = 57,347.42

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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.