Home / 84,500.36-126,740.80-22,175.72

Finding the Fourth Proportional to 84,500.36, 126,740.80 and 22,175.72

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Solution

The fourth proportional to 84,500.36, 126,740.80 and 22,175.72 is: 33,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,500.36 : 126,740.80 = 22,175.72 : x
  2. Step 2: Convert to fraction form
    84,500.36/126,740.80 = 22,175.72/x
  3. Step 3: Cross multiply
    84,500.36x = 126,740.80 × 22,175.72
  4. Step 4: Simplify right side
    84,500.36x = 2,810,568,493.38
  5. Step 5: Solve for x
    x = 2,810,568,493.38/84,500.36
  6. Step 6: Final answer
    x = 33,261.02

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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.