Home / 76,860.06-115,234.72-51,838.04

Finding the Fourth Proportional to 76,860.06, 115,234.72 and 51,838.04

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Solution

The fourth proportional to 76,860.06, 115,234.72 and 51,838.04 is: 77,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,860.06 : 115,234.72 = 51,838.04 : x
  2. Step 2: Convert to fraction form
    76,860.06/115,234.72 = 51,838.04/x
  3. Step 3: Cross multiply
    76,860.06x = 115,234.72 × 51,838.04
  4. Step 4: Simplify right side
    76,860.06x = 5,973,542,183.24
  5. Step 5: Solve for x
    x = 5,973,542,183.24/76,860.06
  6. Step 6: Final answer
    x = 77,719.72

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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.