Home / 83,863.08-125,628.57-54,301.73

Finding the Fourth Proportional to 83,863.08, 125,628.57 and 54,301.73

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Solution

The fourth proportional to 83,863.08, 125,628.57 and 54,301.73 is: 81,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,863.08 : 125,628.57 = 54,301.73 : x
  2. Step 2: Convert to fraction form
    83,863.08/125,628.57 = 54,301.73/x
  3. Step 3: Cross multiply
    83,863.08x = 125,628.57 × 54,301.73
  4. Step 4: Simplify right side
    83,863.08x = 6,821,848,060.28
  5. Step 5: Solve for x
    x = 6,821,848,060.28/83,863.08
  6. Step 6: Final answer
    x = 81,345.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.