Home / 54,008.13-74,535.73-29,811.31

Finding the Fourth Proportional to 54,008.13, 74,535.73 and 29,811.31

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Solution

The fourth proportional to 54,008.13, 74,535.73 and 29,811.31 is: 41,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,008.13 : 74,535.73 = 29,811.31 : x
  2. Step 2: Convert to fraction form
    54,008.13/74,535.73 = 29,811.31/x
  3. Step 3: Cross multiply
    54,008.13x = 74,535.73 × 29,811.31
  4. Step 4: Simplify right side
    54,008.13x = 2,222,007,492.24
  5. Step 5: Solve for x
    x = 2,222,007,492.24/54,008.13
  6. Step 6: Final answer
    x = 41,142.09

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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.