Home / 53,629.12-74,007.05-29,755.28

Finding the Fourth Proportional to 53,629.12, 74,007.05 and 29,755.28

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Solution

The fourth proportional to 53,629.12, 74,007.05 and 29,755.28 is: 41,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,629.12 : 74,007.05 = 29,755.28 : x
  2. Step 2: Convert to fraction form
    53,629.12/74,007.05 = 29,755.28/x
  3. Step 3: Cross multiply
    53,629.12x = 74,007.05 × 29,755.28
  4. Step 4: Simplify right side
    53,629.12x = 2,202,100,124.69
  5. Step 5: Solve for x
    x = 2,202,100,124.69/53,629.12
  6. Step 6: Final answer
    x = 41,061.65

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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.