Home / 55,106.20-82,659.30-53,648.20

Finding the Fourth Proportional to 55,106.20, 82,659.30 and 53,648.20

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Solution

The fourth proportional to 55,106.20, 82,659.30 and 53,648.20 is: 80,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,106.20 : 82,659.30 = 53,648.20 : x
  2. Step 2: Convert to fraction form
    55,106.20/82,659.30 = 53,648.20/x
  3. Step 3: Cross multiply
    55,106.20x = 82,659.30 × 53,648.20
  4. Step 4: Simplify right side
    55,106.20x = 4,434,522,658.26
  5. Step 5: Solve for x
    x = 4,434,522,658.26/55,106.20
  6. Step 6: Final answer
    x = 80,472.30

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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.