Home / 69,124.45-103,692.44-18,530.69

Finding the Fourth Proportional to 69,124.45, 103,692.44 and 18,530.69

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Solution

The fourth proportional to 69,124.45, 103,692.44 and 18,530.69 is: 27,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124.45 : 103,692.44 = 18,530.69 : x
  2. Step 2: Convert to fraction form
    69,124.45/103,692.44 = 18,530.69/x
  3. Step 3: Cross multiply
    69,124.45x = 103,692.44 × 18,530.69
  4. Step 4: Simplify right side
    69,124.45x = 1,921,492,109.10
  5. Step 5: Solve for x
    x = 1,921,492,109.10/69,124.45
  6. Step 6: Final answer
    x = 27,797.58

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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.