Home / 49,270.12-73,905.21-13,731.54

Finding the Fourth Proportional to 49,270.12, 73,905.21 and 13,731.54

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Solution

The fourth proportional to 49,270.12, 73,905.21 and 13,731.54 is: 20,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,270.12 : 73,905.21 = 13,731.54 : x
  2. Step 2: Convert to fraction form
    49,270.12/73,905.21 = 13,731.54/x
  3. Step 3: Cross multiply
    49,270.12x = 73,905.21 × 13,731.54
  4. Step 4: Simplify right side
    49,270.12x = 1,014,832,070.18
  5. Step 5: Solve for x
    x = 1,014,832,070.18/49,270.12
  6. Step 6: Final answer
    x = 20,597.31

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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.