Home / 73,239.50-100,972.77-58,182.14

Finding the Fourth Proportional to 73,239.50, 100,972.77 and 58,182.14

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Solution

The fourth proportional to 73,239.50, 100,972.77 and 58,182.14 is: 80,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,239.50 : 100,972.77 = 58,182.14 : x
  2. Step 2: Convert to fraction form
    73,239.50/100,972.77 = 58,182.14/x
  3. Step 3: Cross multiply
    73,239.50x = 100,972.77 × 58,182.14
  4. Step 4: Simplify right side
    73,239.50x = 5,874,811,840.33
  5. Step 5: Solve for x
    x = 5,874,811,840.33/73,239.50
  6. Step 6: Final answer
    x = 80,213.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.