Home / 103,136.48-154,679.52-33,001.28

Finding the Fourth Proportional to 103,136.48, 154,679.52 and 33,001.28

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Solution

The fourth proportional to 103,136.48, 154,679.52 and 33,001.28 is: 49,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,136.48 : 154,679.52 = 33,001.28 : x
  2. Step 2: Convert to fraction form
    103,136.48/154,679.52 = 33,001.28/x
  3. Step 3: Cross multiply
    103,136.48x = 154,679.52 × 33,001.28
  4. Step 4: Simplify right side
    103,136.48x = 5,104,622,149.79
  5. Step 5: Solve for x
    x = 5,104,622,149.79/103,136.48
  6. Step 6: Final answer
    x = 49,493.86

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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.