Home / 73,622.20-110,434.26-21,033.40

Finding the Fourth Proportional to 73,622.20, 110,434.26 and 21,033.40

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Solution

The fourth proportional to 73,622.20, 110,434.26 and 21,033.40 is: 31,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,622.20 : 110,434.26 = 21,033.40 : x
  2. Step 2: Convert to fraction form
    73,622.20/110,434.26 = 21,033.40/x
  3. Step 3: Cross multiply
    73,622.20x = 110,434.26 × 21,033.40
  4. Step 4: Simplify right side
    73,622.20x = 2,322,807,964.28
  5. Step 5: Solve for x
    x = 2,322,807,964.28/73,622.20
  6. Step 6: Final answer
    x = 31,550.37

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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.