Home / 103,768.48-155,673.06-37,190.80

Finding the Fourth Proportional to 103,768.48, 155,673.06 and 37,190.80

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Solution

The fourth proportional to 103,768.48, 155,673.06 and 37,190.80 is: 55,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,768.48 : 155,673.06 = 37,190.80 : x
  2. Step 2: Convert to fraction form
    103,768.48/155,673.06 = 37,190.80/x
  3. Step 3: Cross multiply
    103,768.48x = 155,673.06 × 37,190.80
  4. Step 4: Simplify right side
    103,768.48x = 5,789,605,639.85
  5. Step 5: Solve for x
    x = 5,789,605,639.85/103,768.48
  6. Step 6: Final answer
    x = 55,793.49

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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.