Home / 84,637.71-116,744.49-54,375.30

Finding the Fourth Proportional to 84,637.71, 116,744.49 and 54,375.30

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Solution

The fourth proportional to 84,637.71, 116,744.49 and 54,375.30 is: 75,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,637.71 : 116,744.49 = 54,375.30 : x
  2. Step 2: Convert to fraction form
    84,637.71/116,744.49 = 54,375.30/x
  3. Step 3: Cross multiply
    84,637.71x = 116,744.49 × 54,375.30
  4. Step 4: Simplify right side
    84,637.71x = 6,348,016,667.10
  5. Step 5: Solve for x
    x = 6,348,016,667.10/84,637.71
  6. Step 6: Final answer
    x = 75,002.23

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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.