Home / 45,120.36-67,661.90-17,035.62

Finding the Fourth Proportional to 45,120.36, 67,661.90 and 17,035.62

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Solution

The fourth proportional to 45,120.36, 67,661.90 and 17,035.62 is: 25,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,120.36 : 67,661.90 = 17,035.62 : x
  2. Step 2: Convert to fraction form
    45,120.36/67,661.90 = 17,035.62/x
  3. Step 3: Cross multiply
    45,120.36x = 67,661.90 × 17,035.62
  4. Step 4: Simplify right side
    45,120.36x = 1,152,662,416.88
  5. Step 5: Solve for x
    x = 1,152,662,416.88/45,120.36
  6. Step 6: Final answer
    x = 25,546.39

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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.