Home / 85,076.94-127,618.93-25,105.42

Finding the Fourth Proportional to 85,076.94, 127,618.93 and 25,105.42

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Solution

The fourth proportional to 85,076.94, 127,618.93 and 25,105.42 is: 37,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,076.94 : 127,618.93 = 25,105.42 : x
  2. Step 2: Convert to fraction form
    85,076.94/127,618.93 = 25,105.42/x
  3. Step 3: Cross multiply
    85,076.94x = 127,618.93 × 25,105.42
  4. Step 4: Simplify right side
    85,076.94x = 3,203,926,073.98
  5. Step 5: Solve for x
    x = 3,203,926,073.98/85,076.94
  6. Step 6: Final answer
    x = 37,659.16

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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.