Home / 75,469.64-104,148.66-41,478.70

Finding the Fourth Proportional to 75,469.64, 104,148.66 and 41,478.70

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Solution

The fourth proportional to 75,469.64, 104,148.66 and 41,478.70 is: 57,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,469.64 : 104,148.66 = 41,478.70 : x
  2. Step 2: Convert to fraction form
    75,469.64/104,148.66 = 41,478.70/x
  3. Step 3: Cross multiply
    75,469.64x = 104,148.66 × 41,478.70
  4. Step 4: Simplify right side
    75,469.64x = 4,319,950,816.15
  5. Step 5: Solve for x
    x = 4,319,950,816.15/75,469.64
  6. Step 6: Final answer
    x = 57,240.91

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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.