Home / 79,661.07-109,935.42-43,854.41

Finding the Fourth Proportional to 79,661.07, 109,935.42 and 43,854.41

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Solution

The fourth proportional to 79,661.07, 109,935.42 and 43,854.41 is: 60,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,661.07 : 109,935.42 = 43,854.41 : x
  2. Step 2: Convert to fraction form
    79,661.07/109,935.42 = 43,854.41/x
  3. Step 3: Cross multiply
    79,661.07x = 109,935.42 × 43,854.41
  4. Step 4: Simplify right side
    79,661.07x = 4,821,153,092.59
  5. Step 5: Solve for x
    x = 4,821,153,092.59/79,661.07
  6. Step 6: Final answer
    x = 60,520.82

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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.