Home / 76,936.88-115,101.66-58,270.70

Finding the Fourth Proportional to 76,936.88, 115,101.66 and 58,270.70

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Solution

The fourth proportional to 76,936.88, 115,101.66 and 58,270.70 is: 87,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,936.88 : 115,101.66 = 58,270.70 : x
  2. Step 2: Convert to fraction form
    76,936.88/115,101.66 = 58,270.70/x
  3. Step 3: Cross multiply
    76,936.88x = 115,101.66 × 58,270.70
  4. Step 4: Simplify right side
    76,936.88x = 6,707,054,299.36
  5. Step 5: Solve for x
    x = 6,707,054,299.36/76,936.88
  6. Step 6: Final answer
    x = 87,176.06

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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.