Home / 92,072.64-138,116.96-25,512.80

Finding the Fourth Proportional to 92,072.64, 138,116.96 and 25,512.80

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Solution

The fourth proportional to 92,072.64, 138,116.96 and 25,512.80 is: 38,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,072.64 : 138,116.96 = 25,512.80 : x
  2. Step 2: Convert to fraction form
    92,072.64/138,116.96 = 25,512.80/x
  3. Step 3: Cross multiply
    92,072.64x = 138,116.96 × 25,512.80
  4. Step 4: Simplify right side
    92,072.64x = 3,523,750,377.09
  5. Step 5: Solve for x
    x = 3,523,750,377.09/92,072.64
  6. Step 6: Final answer
    x = 38,271.42

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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.