Home / 74,399.22-111,597.39-21,807.54

Finding the Fourth Proportional to 74,399.22, 111,597.39 and 21,807.54

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Solution

The fourth proportional to 74,399.22, 111,597.39 and 21,807.54 is: 32,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,399.22 : 111,597.39 = 21,807.54 : x
  2. Step 2: Convert to fraction form
    74,399.22/111,597.39 = 21,807.54/x
  3. Step 3: Cross multiply
    74,399.22x = 111,597.39 × 21,807.54
  4. Step 4: Simplify right side
    74,399.22x = 2,433,664,546.32
  5. Step 5: Solve for x
    x = 2,433,664,546.32/74,399.22
  6. Step 6: Final answer
    x = 32,710.89

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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.