Home / 113,418.28-170,092.86-39,529

Finding the Fourth Proportional to 113,418.28, 170,092.86 and 39,529

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Solution

The fourth proportional to 113,418.28, 170,092.86 and 39,529 is: 59,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,418.28 : 170,092.86 = 39,529 : x
  2. Step 2: Convert to fraction form
    113,418.28/170,092.86 = 39,529/x
  3. Step 3: Cross multiply
    113,418.28x = 170,092.86 × 39,529
  4. Step 4: Simplify right side
    113,418.28x = 6,723,600,662.94
  5. Step 5: Solve for x
    x = 6,723,600,662.94/113,418.28
  6. Step 6: Final answer
    x = 59,281.46

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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.