Home / 76,945.22-115,412.07-27,025.76

Finding the Fourth Proportional to 76,945.22, 115,412.07 and 27,025.76

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Solution

The fourth proportional to 76,945.22, 115,412.07 and 27,025.76 is: 40,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,945.22 : 115,412.07 = 27,025.76 : x
  2. Step 2: Convert to fraction form
    76,945.22/115,412.07 = 27,025.76/x
  3. Step 3: Cross multiply
    76,945.22x = 115,412.07 × 27,025.76
  4. Step 4: Simplify right side
    76,945.22x = 3,119,098,970.20
  5. Step 5: Solve for x
    x = 3,119,098,970.20/76,945.22
  6. Step 6: Final answer
    x = 40,536.62

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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.