Home / 67,453.08-101,175.84-20,705.82

Finding the Fourth Proportional to 67,453.08, 101,175.84 and 20,705.82

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Solution

The fourth proportional to 67,453.08, 101,175.84 and 20,705.82 is: 31,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,453.08 : 101,175.84 = 20,705.82 : x
  2. Step 2: Convert to fraction form
    67,453.08/101,175.84 = 20,705.82/x
  3. Step 3: Cross multiply
    67,453.08x = 101,175.84 × 20,705.82
  4. Step 4: Simplify right side
    67,453.08x = 2,094,928,731.39
  5. Step 5: Solve for x
    x = 2,094,928,731.39/67,453.08
  6. Step 6: Final answer
    x = 31,057.57

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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.