Home / 43,919.72-60,711.36-39,186.57

Finding the Fourth Proportional to 43,919.72, 60,711.36 and 39,186.57

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Solution

The fourth proportional to 43,919.72, 60,711.36 and 39,186.57 is: 54,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,919.72 : 60,711.36 = 39,186.57 : x
  2. Step 2: Convert to fraction form
    43,919.72/60,711.36 = 39,186.57/x
  3. Step 3: Cross multiply
    43,919.72x = 60,711.36 × 39,186.57
  4. Step 4: Simplify right side
    43,919.72x = 2,379,069,887.37
  5. Step 5: Solve for x
    x = 2,379,069,887.37/43,919.72
  6. Step 6: Final answer
    x = 54,168.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.