Home / 48,725.76-73,090.80-13,664.64

Finding the Fourth Proportional to 48,725.76, 73,090.80 and 13,664.64

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Solution

The fourth proportional to 48,725.76, 73,090.80 and 13,664.64 is: 20,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,725.76 : 73,090.80 = 13,664.64 : x
  2. Step 2: Convert to fraction form
    48,725.76/73,090.80 = 13,664.64/x
  3. Step 3: Cross multiply
    48,725.76x = 73,090.80 × 13,664.64
  4. Step 4: Simplify right side
    48,725.76x = 998,759,469.31
  5. Step 5: Solve for x
    x = 998,759,469.31/48,725.76
  6. Step 6: Final answer
    x = 20,497.57

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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.