Home / 76,363.28-114,517.44-26,429.80

Finding the Fourth Proportional to 76,363.28, 114,517.44 and 26,429.80

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Solution

The fourth proportional to 76,363.28, 114,517.44 and 26,429.80 is: 39,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,363.28 : 114,517.44 = 26,429.80 : x
  2. Step 2: Convert to fraction form
    76,363.28/114,517.44 = 26,429.80/x
  3. Step 3: Cross multiply
    76,363.28x = 114,517.44 × 26,429.80
  4. Step 4: Simplify right side
    76,363.28x = 3,026,673,035.71
  5. Step 5: Solve for x
    x = 3,026,673,035.71/76,363.28
  6. Step 6: Final answer
    x = 39,635.19

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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.