Home / 64,936.43-89,612.34-36,644.75

Finding the Fourth Proportional to 64,936.43, 89,612.34 and 36,644.75

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Solution

The fourth proportional to 64,936.43, 89,612.34 and 36,644.75 is: 50,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,936.43 : 89,612.34 = 36,644.75 : x
  2. Step 2: Convert to fraction form
    64,936.43/89,612.34 = 36,644.75/x
  3. Step 3: Cross multiply
    64,936.43x = 89,612.34 × 36,644.75
  4. Step 4: Simplify right side
    64,936.43x = 3,283,821,796.22
  5. Step 5: Solve for x
    x = 3,283,821,796.22/64,936.43
  6. Step 6: Final answer
    x = 50,569.79

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1.5x scale

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.