Home / 68,362.03-102,546.06-20,973.61

Finding the Fourth Proportional to 68,362.03, 102,546.06 and 20,973.61

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Solution

The fourth proportional to 68,362.03, 102,546.06 and 20,973.61 is: 31,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,362.03 : 102,546.06 = 20,973.61 : x
  2. Step 2: Convert to fraction form
    68,362.03/102,546.06 = 20,973.61/x
  3. Step 3: Cross multiply
    68,362.03x = 102,546.06 × 20,973.61
  4. Step 4: Simplify right side
    68,362.03x = 2,150,761,069.48
  5. Step 5: Solve for x
    x = 2,150,761,069.48/68,362.03
  6. Step 6: Final answer
    x = 31,461.34

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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.