Home / 48,705.12-73,057.44-11,769.12

Finding the Fourth Proportional to 48,705.12, 73,057.44 and 11,769.12

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Solution

The fourth proportional to 48,705.12, 73,057.44 and 11,769.12 is: 17,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,705.12 : 73,057.44 = 11,769.12 : x
  2. Step 2: Convert to fraction form
    48,705.12/73,057.44 = 11,769.12/x
  3. Step 3: Cross multiply
    48,705.12x = 73,057.44 × 11,769.12
  4. Step 4: Simplify right side
    48,705.12x = 859,821,778.25
  5. Step 5: Solve for x
    x = 859,821,778.25/48,705.12
  6. Step 6: Final answer
    x = 17,653.62

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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.