Home / 52,920.91-73,031.72-29,049.80

Finding the Fourth Proportional to 52,920.91, 73,031.72 and 29,049.80

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Solution

The fourth proportional to 52,920.91, 73,031.72 and 29,049.80 is: 40,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,920.91 : 73,031.72 = 29,049.80 : x
  2. Step 2: Convert to fraction form
    52,920.91/73,031.72 = 29,049.80/x
  3. Step 3: Cross multiply
    52,920.91x = 73,031.72 × 29,049.80
  4. Step 4: Simplify right side
    52,920.91x = 2,121,556,896.99
  5. Step 5: Solve for x
    x = 2,121,556,896.99/52,920.91
  6. Step 6: Final answer
    x = 40,089.20

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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.