Home / 55,245.30-76,238.49-30,094.80

Finding the Fourth Proportional to 55,245.30, 76,238.49 and 30,094.80

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Solution

The fourth proportional to 55,245.30, 76,238.49 and 30,094.80 is: 41,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,245.30 : 76,238.49 = 30,094.80 : x
  2. Step 2: Convert to fraction form
    55,245.30/76,238.49 = 30,094.80/x
  3. Step 3: Cross multiply
    55,245.30x = 76,238.49 × 30,094.80
  4. Step 4: Simplify right side
    55,245.30x = 2,294,382,108.85
  5. Step 5: Solve for x
    x = 2,294,382,108.85/55,245.30
  6. Step 6: Final answer
    x = 41,530.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.