Home / 55,017.20-82,525.80-51,299.30

Finding the Fourth Proportional to 55,017.20, 82,525.80 and 51,299.30

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Solution

The fourth proportional to 55,017.20, 82,525.80 and 51,299.30 is: 76,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,017.20 : 82,525.80 = 51,299.30 : x
  2. Step 2: Convert to fraction form
    55,017.20/82,525.80 = 51,299.30/x
  3. Step 3: Cross multiply
    55,017.20x = 82,525.80 × 51,299.30
  4. Step 4: Simplify right side
    55,017.20x = 4,233,515,771.94
  5. Step 5: Solve for x
    x = 4,233,515,771.94/55,017.20
  6. Step 6: Final answer
    x = 76,948.95

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1.5x scale

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.