Home / 84,776.56-116,967.68-54,579.35

Finding the Fourth Proportional to 84,776.56, 116,967.68 and 54,579.35

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Solution

The fourth proportional to 84,776.56, 116,967.68 and 54,579.35 is: 75,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,776.56 : 116,967.68 = 54,579.35 : x
  2. Step 2: Convert to fraction form
    84,776.56/116,967.68 = 54,579.35/x
  3. Step 3: Cross multiply
    84,776.56x = 116,967.68 × 54,579.35
  4. Step 4: Simplify right side
    84,776.56x = 6,384,020,169.60
  5. Step 5: Solve for x
    x = 6,384,020,169.60/84,776.56
  6. Step 6: Final answer
    x = 75,304.07

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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.