Home / 75,469.13-104,147.97-41,478.20

Finding the Fourth Proportional to 75,469.13, 104,147.97 and 41,478.20

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Solution

The fourth proportional to 75,469.13, 104,147.97 and 41,478.20 is: 57,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,469.13 : 104,147.97 = 41,478.20 : x
  2. Step 2: Convert to fraction form
    75,469.13/104,147.97 = 41,478.20/x
  3. Step 3: Cross multiply
    75,469.13x = 104,147.97 × 41,478.20
  4. Step 4: Simplify right side
    75,469.13x = 4,319,870,043.53
  5. Step 5: Solve for x
    x = 4,319,870,043.53/75,469.13
  6. Step 6: Final answer
    x = 57,240.22

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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.