Home / 107,741.66-161,621.70-32,878.64

Finding the Fourth Proportional to 107,741.66, 161,621.70 and 32,878.64

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Solution

The fourth proportional to 107,741.66, 161,621.70 and 32,878.64 is: 49,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,741.66 : 161,621.70 = 32,878.64 : x
  2. Step 2: Convert to fraction form
    107,741.66/161,621.70 = 32,878.64/x
  3. Step 3: Cross multiply
    107,741.66x = 161,621.70 × 32,878.64
  4. Step 4: Simplify right side
    107,741.66x = 5,313,901,690.49
  5. Step 5: Solve for x
    x = 5,313,901,690.49/107,741.66
  6. Step 6: Final answer
    x = 49,320.77

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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.