Home / 77,179.26-106,504.47-43,645.98

Finding the Fourth Proportional to 77,179.26, 106,504.47 and 43,645.98

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Solution

The fourth proportional to 77,179.26, 106,504.47 and 43,645.98 is: 60,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,179.26 : 106,504.47 = 43,645.98 : x
  2. Step 2: Convert to fraction form
    77,179.26/106,504.47 = 43,645.98/x
  3. Step 3: Cross multiply
    77,179.26x = 106,504.47 × 43,645.98
  4. Step 4: Simplify right side
    77,179.26x = 4,648,491,967.53
  5. Step 5: Solve for x
    x = 4,648,491,967.53/77,179.26
  6. Step 6: Final answer
    x = 60,229.81

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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.