Home / 73,118.75-109,678.14-26,371.62

Finding the Fourth Proportional to 73,118.75, 109,678.14 and 26,371.62

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Solution

The fourth proportional to 73,118.75, 109,678.14 and 26,371.62 is: 39,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118.75 : 109,678.14 = 26,371.62 : x
  2. Step 2: Convert to fraction form
    73,118.75/109,678.14 = 26,371.62/x
  3. Step 3: Cross multiply
    73,118.75x = 109,678.14 × 26,371.62
  4. Step 4: Simplify right side
    73,118.75x = 2,892,390,230.39
  5. Step 5: Solve for x
    x = 2,892,390,230.39/73,118.75
  6. Step 6: Final answer
    x = 39,557.44

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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.