Home / 83,230.62-124,858.36-30,636.11

Finding the Fourth Proportional to 83,230.62, 124,858.36 and 30,636.11

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Solution

The fourth proportional to 83,230.62, 124,858.36 and 30,636.11 is: 45,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,230.62 : 124,858.36 = 30,636.11 : x
  2. Step 2: Convert to fraction form
    83,230.62/124,858.36 = 30,636.11/x
  3. Step 3: Cross multiply
    83,230.62x = 124,858.36 × 30,636.11
  4. Step 4: Simplify right side
    83,230.62x = 3,825,173,827.09
  5. Step 5: Solve for x
    x = 3,825,173,827.09/83,230.62
  6. Step 6: Final answer
    x = 45,958.73

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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.