Home / 83,835.12-125,725.68-27,662.16

Finding the Fourth Proportional to 83,835.12, 125,725.68 and 27,662.16

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Solution

The fourth proportional to 83,835.12, 125,725.68 and 27,662.16 is: 41,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,835.12 : 125,725.68 = 27,662.16 : x
  2. Step 2: Convert to fraction form
    83,835.12/125,725.68 = 27,662.16/x
  3. Step 3: Cross multiply
    83,835.12x = 125,725.68 × 27,662.16
  4. Step 4: Simplify right side
    83,835.12x = 3,477,843,876.27
  5. Step 5: Solve for x
    x = 3,477,843,876.27/83,835.12
  6. Step 6: Final answer
    x = 41,484.33

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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.