Home / 74,367.36-111,546.24-21,775.36

Finding the Fourth Proportional to 74,367.36, 111,546.24 and 21,775.36

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Solution

The fourth proportional to 74,367.36, 111,546.24 and 21,775.36 is: 32,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.36 : 111,546.24 = 21,775.36 : x
  2. Step 2: Convert to fraction form
    74,367.36/111,546.24 = 21,775.36/x
  3. Step 3: Cross multiply
    74,367.36x = 111,546.24 × 21,775.36
  4. Step 4: Simplify right side
    74,367.36x = 2,428,959,532.65
  5. Step 5: Solve for x
    x = 2,428,959,532.65/74,367.36
  6. Step 6: Final answer
    x = 32,661.63

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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.