Home / 43,643.72-65,464.26-12,055.71

Finding the Fourth Proportional to 43,643.72, 65,464.26 and 12,055.71

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Solution

The fourth proportional to 43,643.72, 65,464.26 and 12,055.71 is: 18,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,643.72 : 65,464.26 = 12,055.71 : x
  2. Step 2: Convert to fraction form
    43,643.72/65,464.26 = 12,055.71/x
  3. Step 3: Cross multiply
    43,643.72x = 65,464.26 × 12,055.71
  4. Step 4: Simplify right side
    43,643.72x = 789,218,133.92
  5. Step 5: Solve for x
    x = 789,218,133.92/43,643.72
  6. Step 6: Final answer
    x = 18,083.20

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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.