Home / 111,287.22-166,899.78-47,223.54

Finding the Fourth Proportional to 111,287.22, 166,899.78 and 47,223.54

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Solution

The fourth proportional to 111,287.22, 166,899.78 and 47,223.54 is: 70,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,287.22 : 166,899.78 = 47,223.54 : x
  2. Step 2: Convert to fraction form
    111,287.22/166,899.78 = 47,223.54/x
  3. Step 3: Cross multiply
    111,287.22x = 166,899.78 × 47,223.54
  4. Step 4: Simplify right side
    111,287.22x = 7,881,598,436.82
  5. Step 5: Solve for x
    x = 7,881,598,436.82/111,287.22
  6. Step 6: Final answer
    x = 70,822.13

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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.