Home / 72,154.76-108,249.21-24,770.43

Finding the Fourth Proportional to 72,154.76, 108,249.21 and 24,770.43

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Solution

The fourth proportional to 72,154.76, 108,249.21 and 24,770.43 is: 37,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,154.76 : 108,249.21 = 24,770.43 : x
  2. Step 2: Convert to fraction form
    72,154.76/108,249.21 = 24,770.43/x
  3. Step 3: Cross multiply
    72,154.76x = 108,249.21 × 24,770.43
  4. Step 4: Simplify right side
    72,154.76x = 2,681,379,478.86
  5. Step 5: Solve for x
    x = 2,681,379,478.86/72,154.76
  6. Step 6: Final answer
    x = 37,161.51

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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.