Home / 53,922.20-80,883.30-34,239.20

Finding the Fourth Proportional to 53,922.20, 80,883.30 and 34,239.20

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Solution

The fourth proportional to 53,922.20, 80,883.30 and 34,239.20 is: 51,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,922.20 : 80,883.30 = 34,239.20 : x
  2. Step 2: Convert to fraction form
    53,922.20/80,883.30 = 34,239.20/x
  3. Step 3: Cross multiply
    53,922.20x = 80,883.30 × 34,239.20
  4. Step 4: Simplify right side
    53,922.20x = 2,769,379,485.36
  5. Step 5: Solve for x
    x = 2,769,379,485.36/53,922.20
  6. Step 6: Final answer
    x = 51,358.80

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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.