Home / 48,138.56-66,447.94-33,081.08

Finding the Fourth Proportional to 48,138.56, 66,447.94 and 33,081.08

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Solution

The fourth proportional to 48,138.56, 66,447.94 and 33,081.08 is: 45,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.56 : 66,447.94 = 33,081.08 : x
  2. Step 2: Convert to fraction form
    48,138.56/66,447.94 = 33,081.08/x
  3. Step 3: Cross multiply
    48,138.56x = 66,447.94 × 33,081.08
  4. Step 4: Simplify right side
    48,138.56x = 2,198,169,618.98
  5. Step 5: Solve for x
    x = 2,198,169,618.98/48,138.56
  6. Step 6: Final answer
    x = 45,663.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.