Home / 54,090.87-74,642.12-29,891.29

Finding the Fourth Proportional to 54,090.87, 74,642.12 and 29,891.29

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Solution

The fourth proportional to 54,090.87, 74,642.12 and 29,891.29 is: 41,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.87 : 74,642.12 = 29,891.29 : x
  2. Step 2: Convert to fraction form
    54,090.87/74,642.12 = 29,891.29/x
  3. Step 3: Cross multiply
    54,090.87x = 74,642.12 × 29,891.29
  4. Step 4: Simplify right side
    54,090.87x = 2,231,148,732.47
  5. Step 5: Solve for x
    x = 2,231,148,732.47/54,090.87
  6. Step 6: Final answer
    x = 41,248.16

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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.