Home / 79,611.73-119,257.32-36,856.89

Finding the Fourth Proportional to 79,611.73, 119,257.32 and 36,856.89

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Solution

The fourth proportional to 79,611.73, 119,257.32 and 36,856.89 is: 55,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,611.73 : 119,257.32 = 36,856.89 : x
  2. Step 2: Convert to fraction form
    79,611.73/119,257.32 = 36,856.89/x
  3. Step 3: Cross multiply
    79,611.73x = 119,257.32 × 36,856.89
  4. Step 4: Simplify right side
    79,611.73x = 4,395,454,233.94
  5. Step 5: Solve for x
    x = 4,395,454,233.94/79,611.73
  6. Step 6: Final answer
    x = 55,211.14

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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.