Home / 60,193.26-90,307.71-20,754.36

Finding the Fourth Proportional to 60,193.26, 90,307.71 and 20,754.36

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Solution

The fourth proportional to 60,193.26, 90,307.71 and 20,754.36 is: 31,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,193.26 : 90,307.71 = 20,754.36 : x
  2. Step 2: Convert to fraction form
    60,193.26/90,307.71 = 20,754.36/x
  3. Step 3: Cross multiply
    60,193.26x = 90,307.71 × 20,754.36
  4. Step 4: Simplify right side
    60,193.26x = 1,874,278,724.12
  5. Step 5: Solve for x
    x = 1,874,278,724.12/60,193.26
  6. Step 6: Final answer
    x = 31,137.68

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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.