Home / 124,748.16-187,150.32-41,640

Finding the Fourth Proportional to 124,748.16, 187,150.32 and 41,640

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Solution

The fourth proportional to 124,748.16, 187,150.32 and 41,640 is: 62,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,748.16 : 187,150.32 = 41,640 : x
  2. Step 2: Convert to fraction form
    124,748.16/187,150.32 = 41,640/x
  3. Step 3: Cross multiply
    124,748.16x = 187,150.32 × 41,640
  4. Step 4: Simplify right side
    124,748.16x = 7,792,939,324.80
  5. Step 5: Solve for x
    x = 7,792,939,324.80/124,748.16
  6. Step 6: Final answer
    x = 62,469.37

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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.