Home / 72,464.04-108,716.38-41,321.32

Finding the Fourth Proportional to 72,464.04, 108,716.38 and 41,321.32

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Solution

The fourth proportional to 72,464.04, 108,716.38 and 41,321.32 is: 61,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,464.04 : 108,716.38 = 41,321.32 : x
  2. Step 2: Convert to fraction form
    72,464.04/108,716.38 = 41,321.32/x
  3. Step 3: Cross multiply
    72,464.04x = 108,716.38 × 41,321.32
  4. Step 4: Simplify right side
    72,464.04x = 4,492,304,327.22
  5. Step 5: Solve for x
    x = 4,492,304,327.22/72,464.04
  6. Step 6: Final answer
    x = 61,993.57

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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.