Home / 76,486.56-114,712.51-29,084.75

Finding the Fourth Proportional to 76,486.56, 114,712.51 and 29,084.75

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Solution

The fourth proportional to 76,486.56, 114,712.51 and 29,084.75 is: 43,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,486.56 : 114,712.51 = 29,084.75 : x
  2. Step 2: Convert to fraction form
    76,486.56/114,712.51 = 29,084.75/x
  3. Step 3: Cross multiply
    76,486.56x = 114,712.51 × 29,084.75
  4. Step 4: Simplify right side
    76,486.56x = 3,336,384,675.22
  5. Step 5: Solve for x
    x = 3,336,384,675.22/76,486.56
  6. Step 6: Final answer
    x = 43,620.54

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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.