Home / 92,019.54-138,204.27-57,202.50

Finding the Fourth Proportional to 92,019.54, 138,204.27 and 57,202.50

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Solution

The fourth proportional to 92,019.54, 138,204.27 and 57,202.50 is: 85,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,019.54 : 138,204.27 = 57,202.50 : x
  2. Step 2: Convert to fraction form
    92,019.54/138,204.27 = 57,202.50/x
  3. Step 3: Cross multiply
    92,019.54x = 138,204.27 × 57,202.50
  4. Step 4: Simplify right side
    92,019.54x = 7,905,629,754.68
  5. Step 5: Solve for x
    x = 7,905,629,754.68/92,019.54
  6. Step 6: Final answer
    x = 85,912.51

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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.