Home / 92,256.11-138,384.30-25,696.43

Finding the Fourth Proportional to 92,256.11, 138,384.30 and 25,696.43

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Solution

The fourth proportional to 92,256.11, 138,384.30 and 25,696.43 is: 38,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,256.11 : 138,384.30 = 25,696.43 : x
  2. Step 2: Convert to fraction form
    92,256.11/138,384.30 = 25,696.43/x
  3. Step 3: Cross multiply
    92,256.11x = 138,384.30 × 25,696.43
  4. Step 4: Simplify right side
    92,256.11x = 3,555,982,478.05
  5. Step 5: Solve for x
    x = 3,555,982,478.05/92,256.11
  6. Step 6: Final answer
    x = 38,544.68

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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.