Home / 84,845.41-117,079.83-49,037.74

Finding the Fourth Proportional to 84,845.41, 117,079.83 and 49,037.74

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Solution

The fourth proportional to 84,845.41, 117,079.83 and 49,037.74 is: 67,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,845.41 : 117,079.83 = 49,037.74 : x
  2. Step 2: Convert to fraction form
    84,845.41/117,079.83 = 49,037.74/x
  3. Step 3: Cross multiply
    84,845.41x = 117,079.83 × 49,037.74
  4. Step 4: Simplify right side
    84,845.41x = 5,741,330,262.78
  5. Step 5: Solve for x
    x = 5,741,330,262.78/84,845.41
  6. Step 6: Final answer
    x = 67,668.13

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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.