Home / 69,640.20-96,103.19-37,809.09

Finding the Fourth Proportional to 69,640.20, 96,103.19 and 37,809.09

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Solution

The fourth proportional to 69,640.20, 96,103.19 and 37,809.09 is: 52,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,640.20 : 96,103.19 = 37,809.09 : x
  2. Step 2: Convert to fraction form
    69,640.20/96,103.19 = 37,809.09/x
  3. Step 3: Cross multiply
    69,640.20x = 96,103.19 × 37,809.09
  4. Step 4: Simplify right side
    69,640.20x = 3,633,574,254.52
  5. Step 5: Solve for x
    x = 3,633,574,254.52/69,640.20
  6. Step 6: Final answer
    x = 52,176.39

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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.