Home / 76,486.62-114,712.61-29,084.81

Finding the Fourth Proportional to 76,486.62, 114,712.61 and 29,084.81

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Solution

The fourth proportional to 76,486.62, 114,712.61 and 29,084.81 is: 43,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,486.62 : 114,712.61 = 29,084.81 : x
  2. Step 2: Convert to fraction form
    76,486.62/114,712.61 = 29,084.81/x
  3. Step 3: Cross multiply
    76,486.62x = 114,712.61 × 29,084.81
  4. Step 4: Simplify right side
    76,486.62x = 3,336,394,607.81
  5. Step 5: Solve for x
    x = 3,336,394,607.81/76,486.62
  6. Step 6: Final answer
    x = 43,620.63

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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.