Home / 53,103.98-79,664.20-18,035.44

Finding the Fourth Proportional to 53,103.98, 79,664.20 and 18,035.44

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Solution

The fourth proportional to 53,103.98, 79,664.20 and 18,035.44 is: 27,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,103.98 : 79,664.20 = 18,035.44 : x
  2. Step 2: Convert to fraction form
    53,103.98/79,664.20 = 18,035.44/x
  3. Step 3: Cross multiply
    53,103.98x = 79,664.20 × 18,035.44
  4. Step 4: Simplify right side
    53,103.98x = 1,436,778,899.25
  5. Step 5: Solve for x
    x = 1,436,778,899.25/53,103.98
  6. Step 6: Final answer
    x = 27,055.96

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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.