Home / 45,093.18-67,655.31-20,150.46

Finding the Fourth Proportional to 45,093.18, 67,655.31 and 20,150.46

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Solution

The fourth proportional to 45,093.18, 67,655.31 and 20,150.46 is: 30,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,093.18 : 67,655.31 = 20,150.46 : x
  2. Step 2: Convert to fraction form
    45,093.18/67,655.31 = 20,150.46/x
  3. Step 3: Cross multiply
    45,093.18x = 67,655.31 × 20,150.46
  4. Step 4: Simplify right side
    45,093.18x = 1,363,285,617.94
  5. Step 5: Solve for x
    x = 1,363,285,617.94/45,093.18
  6. Step 6: Final answer
    x = 30,232.63

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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.