Home / 67,214.41-100,837.98-20,467.28

Finding the Fourth Proportional to 67,214.41, 100,837.98 and 20,467.28

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Solution

The fourth proportional to 67,214.41, 100,837.98 and 20,467.28 is: 30,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,214.41 : 100,837.98 = 20,467.28 : x
  2. Step 2: Convert to fraction form
    67,214.41/100,837.98 = 20,467.28/x
  3. Step 3: Cross multiply
    67,214.41x = 100,837.98 × 20,467.28
  4. Step 4: Simplify right side
    67,214.41x = 2,063,879,423.39
  5. Step 5: Solve for x
    x = 2,063,879,423.39/67,214.41
  6. Step 6: Final answer
    x = 30,705.91

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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.