Home / 75,469.16-104,149.34-41,478.51

Finding the Fourth Proportional to 75,469.16, 104,149.34 and 41,478.51

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Solution

The fourth proportional to 75,469.16, 104,149.34 and 41,478.51 is: 57,241.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,469.16 : 104,149.34 = 41,478.51 : x
  2. Step 2: Convert to fraction form
    75,469.16/104,149.34 = 41,478.51/x
  3. Step 3: Cross multiply
    75,469.16x = 104,149.34 × 41,478.51
  4. Step 4: Simplify right side
    75,469.16x = 4,319,959,133.95
  5. Step 5: Solve for x
    x = 4,319,959,133.95/75,469.16
  6. Step 6: Final answer
    x = 57,241.39

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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.