Home / 74,194.66-111,309.81-21,604.60

Finding the Fourth Proportional to 74,194.66, 111,309.81 and 21,604.60

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Solution

The fourth proportional to 74,194.66, 111,309.81 and 21,604.60 is: 32,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.66 : 111,309.81 = 21,604.60 : x
  2. Step 2: Convert to fraction form
    74,194.66/111,309.81 = 21,604.60/x
  3. Step 3: Cross multiply
    74,194.66x = 111,309.81 × 21,604.60
  4. Step 4: Simplify right side
    74,194.66x = 2,404,803,921.13
  5. Step 5: Solve for x
    x = 2,404,803,921.13/74,194.66
  6. Step 6: Final answer
    x = 32,412.09

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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.