Home / 80,761.37-121,148.21-24,606.27

Finding the Fourth Proportional to 80,761.37, 121,148.21 and 24,606.27

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Solution

The fourth proportional to 80,761.37, 121,148.21 and 24,606.27 is: 36,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,761.37 : 121,148.21 = 24,606.27 : x
  2. Step 2: Convert to fraction form
    80,761.37/121,148.21 = 24,606.27/x
  3. Step 3: Cross multiply
    80,761.37x = 121,148.21 × 24,606.27
  4. Step 4: Simplify right side
    80,761.37x = 2,981,005,442.25
  5. Step 5: Solve for x
    x = 2,981,005,442.25/80,761.37
  6. Step 6: Final answer
    x = 36,911.28

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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.