Home / 92,390.31-138,637.44-50,273.46

Finding the Fourth Proportional to 92,390.31, 138,637.44 and 50,273.46

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Solution

The fourth proportional to 92,390.31, 138,637.44 and 50,273.46 is: 75,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,390.31 : 138,637.44 = 50,273.46 : x
  2. Step 2: Convert to fraction form
    92,390.31/138,637.44 = 50,273.46/x
  3. Step 3: Cross multiply
    92,390.31x = 138,637.44 × 50,273.46
  4. Step 4: Simplify right side
    92,390.31x = 6,969,783,794.34
  5. Step 5: Solve for x
    x = 6,969,783,794.34/92,390.31
  6. Step 6: Final answer
    x = 75,438.47

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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.