Home / 90,571.68-125,001.36-52,847.28

Finding the Fourth Proportional to 90,571.68, 125,001.36 and 52,847.28

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Solution

The fourth proportional to 90,571.68, 125,001.36 and 52,847.28 is: 72,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,571.68 : 125,001.36 = 52,847.28 : x
  2. Step 2: Convert to fraction form
    90,571.68/125,001.36 = 52,847.28/x
  3. Step 3: Cross multiply
    90,571.68x = 125,001.36 × 52,847.28
  4. Step 4: Simplify right side
    90,571.68x = 6,605,981,872.30
  5. Step 5: Solve for x
    x = 6,605,981,872.30/90,571.68
  6. Step 6: Final answer
    x = 72,936.51

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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.