Home / 85,171.44-117,535.63-48,377.39

Finding the Fourth Proportional to 85,171.44, 117,535.63 and 48,377.39

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Solution

The fourth proportional to 85,171.44, 117,535.63 and 48,377.39 is: 66,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,171.44 : 117,535.63 = 48,377.39 : x
  2. Step 2: Convert to fraction form
    85,171.44/117,535.63 = 48,377.39/x
  3. Step 3: Cross multiply
    85,171.44x = 117,535.63 × 48,377.39
  4. Step 4: Simplify right side
    85,171.44x = 5,686,067,011.41
  5. Step 5: Solve for x
    x = 5,686,067,011.41/85,171.44
  6. Step 6: Final answer
    x = 66,760.25

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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.