Home / 45,197.12-67,770.27-18,535.77

Finding the Fourth Proportional to 45,197.12, 67,770.27 and 18,535.77

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Solution

The fourth proportional to 45,197.12, 67,770.27 and 18,535.77 is: 27,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,197.12 : 67,770.27 = 18,535.77 : x
  2. Step 2: Convert to fraction form
    45,197.12/67,770.27 = 18,535.77/x
  3. Step 3: Cross multiply
    45,197.12x = 67,770.27 × 18,535.77
  4. Step 4: Simplify right side
    45,197.12x = 1,256,174,137.56
  5. Step 5: Solve for x
    x = 1,256,174,137.56/45,197.12
  6. Step 6: Final answer
    x = 27,793.23

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1.5x scale

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.