Home / 111,018.62-166,552.54-51,822

Finding the Fourth Proportional to 111,018.62, 166,552.54 and 51,822

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Solution

The fourth proportional to 111,018.62, 166,552.54 and 51,822 is: 77,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,018.62 : 166,552.54 = 51,822 : x
  2. Step 2: Convert to fraction form
    111,018.62/166,552.54 = 51,822/x
  3. Step 3: Cross multiply
    111,018.62x = 166,552.54 × 51,822
  4. Step 4: Simplify right side
    111,018.62x = 8,631,085,598.33
  5. Step 5: Solve for x
    x = 8,631,085,598.33/111,018.62
  6. Step 6: Final answer
    x = 77,744.48

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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.