Home / 53,640.87-80,100.08-43,799.37

Finding the Fourth Proportional to 53,640.87, 80,100.08 and 43,799.37

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Solution

The fourth proportional to 53,640.87, 80,100.08 and 43,799.37 is: 65,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.87 : 80,100.08 = 43,799.37 : x
  2. Step 2: Convert to fraction form
    53,640.87/80,100.08 = 43,799.37/x
  3. Step 3: Cross multiply
    53,640.87x = 80,100.08 × 43,799.37
  4. Step 4: Simplify right side
    53,640.87x = 3,508,332,821.95
  5. Step 5: Solve for x
    x = 3,508,332,821.95/53,640.87
  6. Step 6: Final answer
    x = 65,404.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.