Home / 48,693.05-73,049.04-18,705.09

Finding the Fourth Proportional to 48,693.05, 73,049.04 and 18,705.09

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Solution

The fourth proportional to 48,693.05, 73,049.04 and 18,705.09 is: 28,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,693.05 : 73,049.04 = 18,705.09 : x
  2. Step 2: Convert to fraction form
    48,693.05/73,049.04 = 18,705.09/x
  3. Step 3: Cross multiply
    48,693.05x = 73,049.04 × 18,705.09
  4. Step 4: Simplify right side
    48,693.05x = 1,366,388,867.61
  5. Step 5: Solve for x
    x = 1,366,388,867.61/48,693.05
  6. Step 6: Final answer
    x = 28,061.27

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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.