Home / 77,096.88-115,589.43-52,074.36

Finding the Fourth Proportional to 77,096.88, 115,589.43 and 52,074.36

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Solution

The fourth proportional to 77,096.88, 115,589.43 and 52,074.36 is: 78,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,096.88 : 115,589.43 = 52,074.36 : x
  2. Step 2: Convert to fraction form
    77,096.88/115,589.43 = 52,074.36/x
  3. Step 3: Cross multiply
    77,096.88x = 115,589.43 × 52,074.36
  4. Step 4: Simplify right side
    77,096.88x = 6,019,245,590.01
  5. Step 5: Solve for x
    x = 6,019,245,590.01/77,096.88
  6. Step 6: Final answer
    x = 78,073.79

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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.