Home / 103,270.88-154,891.68-33,140.96

Finding the Fourth Proportional to 103,270.88, 154,891.68 and 33,140.96

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Solution

The fourth proportional to 103,270.88, 154,891.68 and 33,140.96 is: 49,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,270.88 : 154,891.68 = 33,140.96 : x
  2. Step 2: Convert to fraction form
    103,270.88/154,891.68 = 33,140.96/x
  3. Step 3: Cross multiply
    103,270.88x = 154,891.68 × 33,140.96
  4. Step 4: Simplify right side
    103,270.88x = 5,133,258,971.21
  5. Step 5: Solve for x
    x = 5,133,258,971.21/103,270.88
  6. Step 6: Final answer
    x = 49,706.74

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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.