Home / 73,814.10-110,721.68-31,658.61

Finding the Fourth Proportional to 73,814.10, 110,721.68 and 31,658.61

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Solution

The fourth proportional to 73,814.10, 110,721.68 and 31,658.61 is: 47,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,814.10 : 110,721.68 = 31,658.61 : x
  2. Step 2: Convert to fraction form
    73,814.10/110,721.68 = 31,658.61/x
  3. Step 3: Cross multiply
    73,814.10x = 110,721.68 × 31,658.61
  4. Step 4: Simplify right side
    73,814.10x = 3,505,294,485.66
  5. Step 5: Solve for x
    x = 3,505,294,485.66/73,814.10
  6. Step 6: Final answer
    x = 47,488.14

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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.