Home / 108,837.99-163,286.53-45,624.88

Finding the Fourth Proportional to 108,837.99, 163,286.53 and 45,624.88

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Solution

The fourth proportional to 108,837.99, 163,286.53 and 45,624.88 is: 68,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,837.99 : 163,286.53 = 45,624.88 : x
  2. Step 2: Convert to fraction form
    108,837.99/163,286.53 = 45,624.88/x
  3. Step 3: Cross multiply
    108,837.99x = 163,286.53 × 45,624.88
  4. Step 4: Simplify right side
    108,837.99x = 7,449,928,336.87
  5. Step 5: Solve for x
    x = 7,449,928,336.87/108,837.99
  6. Step 6: Final answer
    x = 68,449.71

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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.