Home / 71,083.44-106,625.30-18,492.84

Finding the Fourth Proportional to 71,083.44, 106,625.30 and 18,492.84

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Solution

The fourth proportional to 71,083.44, 106,625.30 and 18,492.84 is: 27,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,083.44 : 106,625.30 = 18,492.84 : x
  2. Step 2: Convert to fraction form
    71,083.44/106,625.30 = 18,492.84/x
  3. Step 3: Cross multiply
    71,083.44x = 106,625.30 × 18,492.84
  4. Step 4: Simplify right side
    71,083.44x = 1,971,804,659.08
  5. Step 5: Solve for x
    x = 1,971,804,659.08/71,083.44
  6. Step 6: Final answer
    x = 27,739.30

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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.