Home / 53,712.93-74,120.31-29,839.62

Finding the Fourth Proportional to 53,712.93, 74,120.31 and 29,839.62

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Solution

The fourth proportional to 53,712.93, 74,120.31 and 29,839.62 is: 41,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712.93 : 74,120.31 = 29,839.62 : x
  2. Step 2: Convert to fraction form
    53,712.93/74,120.31 = 29,839.62/x
  3. Step 3: Cross multiply
    53,712.93x = 74,120.31 × 29,839.62
  4. Step 4: Simplify right side
    53,712.93x = 2,211,721,884.68
  5. Step 5: Solve for x
    x = 2,211,721,884.68/53,712.93
  6. Step 6: Final answer
    x = 41,176.71

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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.