Home / 53,109.54-79,666.11-18,044.64

Finding the Fourth Proportional to 53,109.54, 79,666.11 and 18,044.64

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Solution

The fourth proportional to 53,109.54, 79,666.11 and 18,044.64 is: 27,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.54 : 79,666.11 = 18,044.64 : x
  2. Step 2: Convert to fraction form
    53,109.54/79,666.11 = 18,044.64/x
  3. Step 3: Cross multiply
    53,109.54x = 79,666.11 × 18,044.64
  4. Step 4: Simplify right side
    53,109.54x = 1,437,546,275.15
  5. Step 5: Solve for x
    x = 1,437,546,275.15/53,109.54
  6. Step 6: Final answer
    x = 27,067.57

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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.