Home / 80,747.91-121,128.03-24,592.77

Finding the Fourth Proportional to 80,747.91, 121,128.03 and 24,592.77

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Solution

The fourth proportional to 80,747.91, 121,128.03 and 24,592.77 is: 36,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,747.91 : 121,128.03 = 24,592.77 : x
  2. Step 2: Convert to fraction form
    80,747.91/121,128.03 = 24,592.77/x
  3. Step 3: Cross multiply
    80,747.91x = 121,128.03 × 24,592.77
  4. Step 4: Simplify right side
    80,747.91x = 2,978,873,782.34
  5. Step 5: Solve for x
    x = 2,978,873,782.34/80,747.91
  6. Step 6: Final answer
    x = 36,891.03

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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.