Home / 74,629.07-102,812.91-51,929.08

Finding the Fourth Proportional to 74,629.07, 102,812.91 and 51,929.08

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Solution

The fourth proportional to 74,629.07, 102,812.91 and 51,929.08 is: 71,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,629.07 : 102,812.91 = 51,929.08 : x
  2. Step 2: Convert to fraction form
    74,629.07/102,812.91 = 51,929.08/x
  3. Step 3: Cross multiply
    74,629.07x = 102,812.91 × 51,929.08
  4. Step 4: Simplify right side
    74,629.07x = 5,338,979,376.66
  5. Step 5: Solve for x
    x = 5,338,979,376.66/74,629.07
  6. Step 6: Final answer
    x = 71,540.21

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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.