Home / 52,811.27-79,192.30-30,630.99

Finding the Fourth Proportional to 52,811.27, 79,192.30 and 30,630.99

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Solution

The fourth proportional to 52,811.27, 79,192.30 and 30,630.99 is: 45,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,811.27 : 79,192.30 = 30,630.99 : x
  2. Step 2: Convert to fraction form
    52,811.27/79,192.30 = 30,630.99/x
  3. Step 3: Cross multiply
    52,811.27x = 79,192.30 × 30,630.99
  4. Step 4: Simplify right side
    52,811.27x = 2,425,738,029.79
  5. Step 5: Solve for x
    x = 2,425,738,029.79/52,811.27
  6. Step 6: Final answer
    x = 45,932.21

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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.