Home / 48,750.31-73,110.93-20,669.92

Finding the Fourth Proportional to 48,750.31, 73,110.93 and 20,669.92

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Solution

The fourth proportional to 48,750.31, 73,110.93 and 20,669.92 is: 30,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,750.31 : 73,110.93 = 20,669.92 : x
  2. Step 2: Convert to fraction form
    48,750.31/73,110.93 = 20,669.92/x
  3. Step 3: Cross multiply
    48,750.31x = 73,110.93 × 20,669.92
  4. Step 4: Simplify right side
    48,750.31x = 1,511,197,074.23
  5. Step 5: Solve for x
    x = 1,511,197,074.23/48,750.31
  6. Step 6: Final answer
    x = 30,998.72

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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.