Home / 54,224.89-74,834.62-39,949.99

Finding the Fourth Proportional to 54,224.89, 74,834.62 and 39,949.99

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Solution

The fourth proportional to 54,224.89, 74,834.62 and 39,949.99 is: 55,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,224.89 : 74,834.62 = 39,949.99 : x
  2. Step 2: Convert to fraction form
    54,224.89/74,834.62 = 39,949.99/x
  3. Step 3: Cross multiply
    54,224.89x = 74,834.62 × 39,949.99
  4. Step 4: Simplify right side
    54,224.89x = 2,989,642,033.69
  5. Step 5: Solve for x
    x = 2,989,642,033.69/54,224.89
  6. Step 6: Final answer
    x = 55,134.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.