Home / 101,222.72-139,704.44-58,805.85

Finding the Fourth Proportional to 101,222.72, 139,704.44 and 58,805.85

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Solution

The fourth proportional to 101,222.72, 139,704.44 and 58,805.85 is: 81,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,222.72 : 139,704.44 = 58,805.85 : x
  2. Step 2: Convert to fraction form
    101,222.72/139,704.44 = 58,805.85/x
  3. Step 3: Cross multiply
    101,222.72x = 139,704.44 × 58,805.85
  4. Step 4: Simplify right side
    101,222.72x = 8,215,438,342.97
  5. Step 5: Solve for x
    x = 8,215,438,342.97/101,222.72
  6. Step 6: Final answer
    x = 81,162.00

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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.