Home / 81,566.32-122,305.44-25,382.08

Finding the Fourth Proportional to 81,566.32, 122,305.44 and 25,382.08

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Solution

The fourth proportional to 81,566.32, 122,305.44 and 25,382.08 is: 38,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,566.32 : 122,305.44 = 25,382.08 : x
  2. Step 2: Convert to fraction form
    81,566.32/122,305.44 = 25,382.08/x
  3. Step 3: Cross multiply
    81,566.32x = 122,305.44 × 25,382.08
  4. Step 4: Simplify right side
    81,566.32x = 3,104,366,462.52
  5. Step 5: Solve for x
    x = 3,104,366,462.52/81,566.32
  6. Step 6: Final answer
    x = 38,059.42

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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.