Home / 57,234.21-85,833.75-39,578.34

Finding the Fourth Proportional to 57,234.21, 85,833.75 and 39,578.34

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Solution

The fourth proportional to 57,234.21, 85,833.75 and 39,578.34 is: 59,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,234.21 : 85,833.75 = 39,578.34 : x
  2. Step 2: Convert to fraction form
    57,234.21/85,833.75 = 39,578.34/x
  3. Step 3: Cross multiply
    57,234.21x = 85,833.75 × 39,578.34
  4. Step 4: Simplify right side
    57,234.21x = 3,397,157,340.98
  5. Step 5: Solve for x
    x = 3,397,157,340.98/57,234.21
  6. Step 6: Final answer
    x = 59,355.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.