Home / 48,986.96-73,428.41-31,161.54

Finding the Fourth Proportional to 48,986.96, 73,428.41 and 31,161.54

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Solution

The fourth proportional to 48,986.96, 73,428.41 and 31,161.54 is: 46,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,986.96 : 73,428.41 = 31,161.54 : x
  2. Step 2: Convert to fraction form
    48,986.96/73,428.41 = 31,161.54/x
  3. Step 3: Cross multiply
    48,986.96x = 73,428.41 × 31,161.54
  4. Step 4: Simplify right side
    48,986.96x = 2,288,141,904.19
  5. Step 5: Solve for x
    x = 2,288,141,904.19/48,986.96
  6. Step 6: Final answer
    x = 46,709.21

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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.