Home / 54,082.26-74,637.66-39,807.42

Finding the Fourth Proportional to 54,082.26, 74,637.66 and 39,807.42

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Solution

The fourth proportional to 54,082.26, 74,637.66 and 39,807.42 is: 54,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082.26 : 74,637.66 = 39,807.42 : x
  2. Step 2: Convert to fraction form
    54,082.26/74,637.66 = 39,807.42/x
  3. Step 3: Cross multiply
    54,082.26x = 74,637.66 × 39,807.42
  4. Step 4: Simplify right side
    54,082.26x = 2,971,132,679.44
  5. Step 5: Solve for x
    x = 2,971,132,679.44/54,082.26
  6. Step 6: Final answer
    x = 54,937.29

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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.