Home / 76,165.89-114,272.19-34,081.40

Finding the Fourth Proportional to 76,165.89, 114,272.19 and 34,081.40

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Solution

The fourth proportional to 76,165.89, 114,272.19 and 34,081.40 is: 51,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165.89 : 114,272.19 = 34,081.40 : x
  2. Step 2: Convert to fraction form
    76,165.89/114,272.19 = 34,081.40/x
  3. Step 3: Cross multiply
    76,165.89x = 114,272.19 × 34,081.40
  4. Step 4: Simplify right side
    76,165.89x = 3,894,555,644.91
  5. Step 5: Solve for x
    x = 3,894,555,644.91/76,165.89
  6. Step 6: Final answer
    x = 51,132.54

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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.