Home / 95,178.60-131,410.62-85,074.66

Finding the Fourth Proportional to 95,178.60, 131,410.62 and 85,074.66

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Solution

The fourth proportional to 95,178.60, 131,410.62 and 85,074.66 is: 117,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,178.60 : 131,410.62 = 85,074.66 : x
  2. Step 2: Convert to fraction form
    95,178.60/131,410.62 = 85,074.66/x
  3. Step 3: Cross multiply
    95,178.60x = 131,410.62 × 85,074.66
  4. Step 4: Simplify right side
    95,178.60x = 11,179,713,816.89
  5. Step 5: Solve for x
    x = 11,179,713,816.89/95,178.60
  6. Step 6: Final answer
    x = 117,460.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.