Home / 82,382.58-123,583.48-29,816.82

Finding the Fourth Proportional to 82,382.58, 123,583.48 and 29,816.82

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Solution

The fourth proportional to 82,382.58, 123,583.48 and 29,816.82 is: 44,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,382.58 : 123,583.48 = 29,816.82 : x
  2. Step 2: Convert to fraction form
    82,382.58/123,583.48 = 29,816.82/x
  3. Step 3: Cross multiply
    82,382.58x = 123,583.48 × 29,816.82
  4. Step 4: Simplify right side
    82,382.58x = 3,684,866,378.13
  5. Step 5: Solve for x
    x = 3,684,866,378.13/82,382.58
  6. Step 6: Final answer
    x = 44,728.71

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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.