Home / 75,509.33-104,205.56-41,520.41

Finding the Fourth Proportional to 75,509.33, 104,205.56 and 41,520.41

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Solution

The fourth proportional to 75,509.33, 104,205.56 and 41,520.41 is: 57,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,509.33 : 104,205.56 = 41,520.41 : x
  2. Step 2: Convert to fraction form
    75,509.33/104,205.56 = 41,520.41/x
  3. Step 3: Cross multiply
    75,509.33x = 104,205.56 × 41,520.41
  4. Step 4: Simplify right side
    75,509.33x = 4,326,656,846.85
  5. Step 5: Solve for x
    x = 4,326,656,846.85/75,509.33
  6. Step 6: Final answer
    x = 57,299.63

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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.