Home / 64,766.20-89,375.61-36,471.28

Finding the Fourth Proportional to 64,766.20, 89,375.61 and 36,471.28

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Solution

The fourth proportional to 64,766.20, 89,375.61 and 36,471.28 is: 50,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,766.20 : 89,375.61 = 36,471.28 : x
  2. Step 2: Convert to fraction form
    64,766.20/89,375.61 = 36,471.28/x
  3. Step 3: Cross multiply
    64,766.20x = 89,375.61 × 36,471.28
  4. Step 4: Simplify right side
    64,766.20x = 3,259,642,897.48
  5. Step 5: Solve for x
    x = 3,259,642,897.48/64,766.20
  6. Step 6: Final answer
    x = 50,329.38

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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.