Home / 54,829.20-82,193.40-54,795.60

Finding the Fourth Proportional to 54,829.20, 82,193.40 and 54,795.60

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Solution

The fourth proportional to 54,829.20, 82,193.40 and 54,795.60 is: 82,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,829.20 : 82,193.40 = 54,795.60 : x
  2. Step 2: Convert to fraction form
    54,829.20/82,193.40 = 54,795.60/x
  3. Step 3: Cross multiply
    54,829.20x = 82,193.40 × 54,795.60
  4. Step 4: Simplify right side
    54,829.20x = 4,503,836,669.04
  5. Step 5: Solve for x
    x = 4,503,836,669.04/54,829.20
  6. Step 6: Final answer
    x = 82,143.03

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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.