Home / 86,464.88-119,377.05-54,243.66

Finding the Fourth Proportional to 86,464.88, 119,377.05 and 54,243.66

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Solution

The fourth proportional to 86,464.88, 119,377.05 and 54,243.66 is: 74,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,464.88 : 119,377.05 = 54,243.66 : x
  2. Step 2: Convert to fraction form
    86,464.88/119,377.05 = 54,243.66/x
  3. Step 3: Cross multiply
    86,464.88x = 119,377.05 × 54,243.66
  4. Step 4: Simplify right side
    86,464.88x = 6,475,448,112.00
  5. Step 5: Solve for x
    x = 6,475,448,112.00/86,464.88
  6. Step 6: Final answer
    x = 74,891.08

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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.