Home / 76,287.69-114,355.49-36,236.43

Finding the Fourth Proportional to 76,287.69, 114,355.49 and 36,236.43

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Solution

The fourth proportional to 76,287.69, 114,355.49 and 36,236.43 is: 54,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,287.69 : 114,355.49 = 36,236.43 : x
  2. Step 2: Convert to fraction form
    76,287.69/114,355.49 = 36,236.43/x
  3. Step 3: Cross multiply
    76,287.69x = 114,355.49 × 36,236.43
  4. Step 4: Simplify right side
    76,287.69x = 4,143,834,527.32
  5. Step 5: Solve for x
    x = 4,143,834,527.32/76,287.69
  6. Step 6: Final answer
    x = 54,318.52

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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.