Home / 69,733.13-96,219.81-39,512.21

Finding the Fourth Proportional to 69,733.13, 96,219.81 and 39,512.21

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Solution

The fourth proportional to 69,733.13, 96,219.81 and 39,512.21 is: 54,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,733.13 : 96,219.81 = 39,512.21 : x
  2. Step 2: Convert to fraction form
    69,733.13/96,219.81 = 39,512.21/x
  3. Step 3: Cross multiply
    69,733.13x = 96,219.81 × 39,512.21
  4. Step 4: Simplify right side
    69,733.13x = 3,801,856,857.78
  5. Step 5: Solve for x
    x = 3,801,856,857.78/69,733.13
  6. Step 6: Final answer
    x = 54,520.10

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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.