Home / 55,694.80-83,542.20-48,915.10

Finding the Fourth Proportional to 55,694.80, 83,542.20 and 48,915.10

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Solution

The fourth proportional to 55,694.80, 83,542.20 and 48,915.10 is: 73,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,694.80 : 83,542.20 = 48,915.10 : x
  2. Step 2: Convert to fraction form
    55,694.80/83,542.20 = 48,915.10/x
  3. Step 3: Cross multiply
    55,694.80x = 83,542.20 × 48,915.10
  4. Step 4: Simplify right side
    55,694.80x = 4,086,475,067.22
  5. Step 5: Solve for x
    x = 4,086,475,067.22/55,694.80
  6. Step 6: Final answer
    x = 73,372.65

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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.