Home / 48,138.05-72,191.70-16,540.49

Finding the Fourth Proportional to 48,138.05, 72,191.70 and 16,540.49

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Solution

The fourth proportional to 48,138.05, 72,191.70 and 16,540.49 is: 24,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.05 : 72,191.70 = 16,540.49 : x
  2. Step 2: Convert to fraction form
    48,138.05/72,191.70 = 16,540.49/x
  3. Step 3: Cross multiply
    48,138.05x = 72,191.70 × 16,540.49
  4. Step 4: Simplify right side
    48,138.05x = 1,194,085,730.97
  5. Step 5: Solve for x
    x = 1,194,085,730.97/48,138.05
  6. Step 6: Final answer
    x = 24,805.45

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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.