Home / 68,962.40-103,443.62-22,215.27

Finding the Fourth Proportional to 68,962.40, 103,443.62 and 22,215.27

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Solution

The fourth proportional to 68,962.40, 103,443.62 and 22,215.27 is: 33,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,962.40 : 103,443.62 = 22,215.27 : x
  2. Step 2: Convert to fraction form
    68,962.40/103,443.62 = 22,215.27/x
  3. Step 3: Cross multiply
    68,962.40x = 103,443.62 × 22,215.27
  4. Step 4: Simplify right side
    68,962.40x = 2,298,027,837.00
  5. Step 5: Solve for x
    x = 2,298,027,837.00/68,962.40
  6. Step 6: Final answer
    x = 33,322.91

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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.