Home / 76,469.32-114,586.09-40,935.36

Finding the Fourth Proportional to 76,469.32, 114,586.09 and 40,935.36

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Solution

The fourth proportional to 76,469.32, 114,586.09 and 40,935.36 is: 61,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,469.32 : 114,586.09 = 40,935.36 : x
  2. Step 2: Convert to fraction form
    76,469.32/114,586.09 = 40,935.36/x
  3. Step 3: Cross multiply
    76,469.32x = 114,586.09 × 40,935.36
  4. Step 4: Simplify right side
    76,469.32x = 4,690,622,758.22
  5. Step 5: Solve for x
    x = 4,690,622,758.22/76,469.32
  6. Step 6: Final answer
    x = 61,339.93

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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.