Home / 111,883.20-167,824.80-64,579.20

Finding the Fourth Proportional to 111,883.20, 167,824.80 and 64,579.20

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Solution

The fourth proportional to 111,883.20, 167,824.80 and 64,579.20 is: 96,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,883.20 : 167,824.80 = 64,579.20 : x
  2. Step 2: Convert to fraction form
    111,883.20/167,824.80 = 64,579.20/x
  3. Step 3: Cross multiply
    111,883.20x = 167,824.80 × 64,579.20
  4. Step 4: Simplify right side
    111,883.20x = 10,837,991,324.16
  5. Step 5: Solve for x
    x = 10,837,991,324.16/111,883.20
  6. Step 6: Final answer
    x = 96,868.80

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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.