Home / 45,136.49-67,708.51-15,542.33

Finding the Fourth Proportional to 45,136.49, 67,708.51 and 15,542.33

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Solution

The fourth proportional to 45,136.49, 67,708.51 and 15,542.33 is: 23,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,136.49 : 67,708.51 = 15,542.33 : x
  2. Step 2: Convert to fraction form
    45,136.49/67,708.51 = 15,542.33/x
  3. Step 3: Cross multiply
    45,136.49x = 67,708.51 × 15,542.33
  4. Step 4: Simplify right side
    45,136.49x = 1,052,347,628.83
  5. Step 5: Solve for x
    x = 1,052,347,628.83/45,136.49
  6. Step 6: Final answer
    x = 23,314.79

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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.