Home / 73,550.20-110,322.56-20,958.32

Finding the Fourth Proportional to 73,550.20, 110,322.56 and 20,958.32

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Solution

The fourth proportional to 73,550.20, 110,322.56 and 20,958.32 is: 31,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,550.20 : 110,322.56 = 20,958.32 : x
  2. Step 2: Convert to fraction form
    73,550.20/110,322.56 = 20,958.32/x
  3. Step 3: Cross multiply
    73,550.20x = 110,322.56 × 20,958.32
  4. Step 4: Simplify right side
    73,550.20x = 2,312,175,515.70
  5. Step 5: Solve for x
    x = 2,312,175,515.70/73,550.20
  6. Step 6: Final answer
    x = 31,436.70

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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.