Home / 86,256.68-118,398.25-76,614.44

Finding the Fourth Proportional to 86,256.68, 118,398.25 and 76,614.44

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Solution

The fourth proportional to 86,256.68, 118,398.25 and 76,614.44 is: 105,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,256.68 : 118,398.25 = 76,614.44 : x
  2. Step 2: Convert to fraction form
    86,256.68/118,398.25 = 76,614.44/x
  3. Step 3: Cross multiply
    86,256.68x = 118,398.25 × 76,614.44
  4. Step 4: Simplify right side
    86,256.68x = 9,071,015,620.73
  5. Step 5: Solve for x
    x = 9,071,015,620.73/86,256.68
  6. Step 6: Final answer
    x = 105,163.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.