Home / 84,844.41-117,078.45-49,036.74

Finding the Fourth Proportional to 84,844.41, 117,078.45 and 49,036.74

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Solution

The fourth proportional to 84,844.41, 117,078.45 and 49,036.74 is: 67,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,844.41 : 117,078.45 = 49,036.74 : x
  2. Step 2: Convert to fraction form
    84,844.41/117,078.45 = 49,036.74/x
  3. Step 3: Cross multiply
    84,844.41x = 117,078.45 × 49,036.74
  4. Step 4: Simplify right side
    84,844.41x = 5,741,145,512.25
  5. Step 5: Solve for x
    x = 5,741,145,512.25/84,844.41
  6. Step 6: Final answer
    x = 67,666.75

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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.