Home / 84,624.30-116,724.66-54,447.72

Finding the Fourth Proportional to 84,624.30, 116,724.66 and 54,447.72

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Solution

The fourth proportional to 84,624.30, 116,724.66 and 54,447.72 is: 75,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,624.30 : 116,724.66 = 54,447.72 : x
  2. Step 2: Convert to fraction form
    84,624.30/116,724.66 = 54,447.72/x
  3. Step 3: Cross multiply
    84,624.30x = 116,724.66 × 54,447.72
  4. Step 4: Simplify right side
    84,624.30x = 6,355,391,604.78
  5. Step 5: Solve for x
    x = 6,355,391,604.78/84,624.30
  6. Step 6: Final answer
    x = 75,101.26

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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.