Home / 76,936.58-115,417.83-35,382.50

Finding the Fourth Proportional to 76,936.58, 115,417.83 and 35,382.50

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Solution

The fourth proportional to 76,936.58, 115,417.83 and 35,382.50 is: 53,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,936.58 : 115,417.83 = 35,382.50 : x
  2. Step 2: Convert to fraction form
    76,936.58/115,417.83 = 35,382.50/x
  3. Step 3: Cross multiply
    76,936.58x = 115,417.83 × 35,382.50
  4. Step 4: Simplify right side
    76,936.58x = 4,083,771,369.98
  5. Step 5: Solve for x
    x = 4,083,771,369.98/76,936.58
  6. Step 6: Final answer
    x = 53,079.71

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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.