Home / 80,434.88-120,649.27-24,273.50

Finding the Fourth Proportional to 80,434.88, 120,649.27 and 24,273.50

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Solution

The fourth proportional to 80,434.88, 120,649.27 and 24,273.50 is: 36,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,434.88 : 120,649.27 = 24,273.50 : x
  2. Step 2: Convert to fraction form
    80,434.88/120,649.27 = 24,273.50/x
  3. Step 3: Cross multiply
    80,434.88x = 120,649.27 × 24,273.50
  4. Step 4: Simplify right side
    80,434.88x = 2,928,580,055.35
  5. Step 5: Solve for x
    x = 2,928,580,055.35/80,434.88
  6. Step 6: Final answer
    x = 36,409.33

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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.