Home / 64,621.48-89,170.84-35,936.49

Finding the Fourth Proportional to 64,621.48, 89,170.84 and 35,936.49

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Solution

The fourth proportional to 64,621.48, 89,170.84 and 35,936.49 is: 49,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,621.48 : 89,170.84 = 35,936.49 : x
  2. Step 2: Convert to fraction form
    64,621.48/89,170.84 = 35,936.49/x
  3. Step 3: Cross multiply
    64,621.48x = 89,170.84 × 35,936.49
  4. Step 4: Simplify right side
    64,621.48x = 3,204,486,910.11
  5. Step 5: Solve for x
    x = 3,204,486,910.11/64,621.48
  6. Step 6: Final answer
    x = 49,588.57

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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.