Home / 52,738.84-79,120.11-17,677.60

Finding the Fourth Proportional to 52,738.84, 79,120.11 and 17,677.60

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Solution

The fourth proportional to 52,738.84, 79,120.11 and 17,677.60 is: 26,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,738.84 : 79,120.11 = 17,677.60 : x
  2. Step 2: Convert to fraction form
    52,738.84/79,120.11 = 17,677.60/x
  3. Step 3: Cross multiply
    52,738.84x = 79,120.11 × 17,677.60
  4. Step 4: Simplify right side
    52,738.84x = 1,398,653,656.54
  5. Step 5: Solve for x
    x = 1,398,653,656.54/52,738.84
  6. Step 6: Final answer
    x = 26,520.37

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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.