Home / 76,827.40-115,214.44-26,906.39

Finding the Fourth Proportional to 76,827.40, 115,214.44 and 26,906.39

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Solution

The fourth proportional to 76,827.40, 115,214.44 and 26,906.39 is: 40,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,827.40 : 115,214.44 = 26,906.39 : x
  2. Step 2: Convert to fraction form
    76,827.40/115,214.44 = 26,906.39/x
  3. Step 3: Cross multiply
    76,827.40x = 115,214.44 × 26,906.39
  4. Step 4: Simplify right side
    76,827.40x = 3,100,004,656.27
  5. Step 5: Solve for x
    x = 3,100,004,656.27/76,827.40
  6. Step 6: Final answer
    x = 40,350.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.