Home / 81,476.08-122,233.24-25,313.28

Finding the Fourth Proportional to 81,476.08, 122,233.24 and 25,313.28

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Solution

The fourth proportional to 81,476.08, 122,233.24 and 25,313.28 is: 37,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,476.08 : 122,233.24 = 25,313.28 : x
  2. Step 2: Convert to fraction form
    81,476.08/122,233.24 = 25,313.28/x
  3. Step 3: Cross multiply
    81,476.08x = 122,233.24 × 25,313.28
  4. Step 4: Simplify right side
    81,476.08x = 3,094,124,229.43
  5. Step 5: Solve for x
    x = 3,094,124,229.43/81,476.08
  6. Step 6: Final answer
    x = 37,975.86

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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.