Home / 73,137.19-109,705.79-25,741.12

Finding the Fourth Proportional to 73,137.19, 109,705.79 and 25,741.12

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Solution

The fourth proportional to 73,137.19, 109,705.79 and 25,741.12 is: 38,611.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,137.19 : 109,705.79 = 25,741.12 : x
  2. Step 2: Convert to fraction form
    73,137.19/109,705.79 = 25,741.12/x
  3. Step 3: Cross multiply
    73,137.19x = 109,705.79 × 25,741.12
  4. Step 4: Simplify right side
    73,137.19x = 2,823,949,905.08
  5. Step 5: Solve for x
    x = 2,823,949,905.08/73,137.19
  6. Step 6: Final answer
    x = 38,611.68

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Double scale
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Similar ratio
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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.