Home / 109,109.97-150,580.22-61,367.76

Finding the Fourth Proportional to 109,109.97, 150,580.22 and 61,367.76

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Solution

The fourth proportional to 109,109.97, 150,580.22 and 61,367.76 is: 84,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,109.97 : 150,580.22 = 61,367.76 : x
  2. Step 2: Convert to fraction form
    109,109.97/150,580.22 = 61,367.76/x
  3. Step 3: Cross multiply
    109,109.97x = 150,580.22 × 61,367.76
  4. Step 4: Simplify right side
    109,109.97x = 9,240,770,494.87
  5. Step 5: Solve for x
    x = 9,240,770,494.87/109,109.97
  6. Step 6: Final answer
    x = 84,692.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.