Home / 54,829.78-75,664.46-30,957.46

Finding the Fourth Proportional to 54,829.78, 75,664.46 and 30,957.46

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Solution

The fourth proportional to 54,829.78, 75,664.46 and 30,957.46 is: 42,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,829.78 : 75,664.46 = 30,957.46 : x
  2. Step 2: Convert to fraction form
    54,829.78/75,664.46 = 30,957.46/x
  3. Step 3: Cross multiply
    54,829.78x = 75,664.46 × 30,957.46
  4. Step 4: Simplify right side
    54,829.78x = 2,342,379,493.87
  5. Step 5: Solve for x
    x = 2,342,379,493.87/54,829.78
  6. Step 6: Final answer
    x = 42,720.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.