Home / 57,989.21-80,064.09-36,218.66

Finding the Fourth Proportional to 57,989.21, 80,064.09 and 36,218.66

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Solution

The fourth proportional to 57,989.21, 80,064.09 and 36,218.66 is: 50,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,989.21 : 80,064.09 = 36,218.66 : x
  2. Step 2: Convert to fraction form
    57,989.21/80,064.09 = 36,218.66/x
  3. Step 3: Cross multiply
    57,989.21x = 80,064.09 × 36,218.66
  4. Step 4: Simplify right side
    57,989.21x = 2,899,813,653.60
  5. Step 5: Solve for x
    x = 2,899,813,653.60/57,989.21
  6. Step 6: Final answer
    x = 50,006.09

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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.