Home / 53,129.43-79,667.28-23,556.33

Finding the Fourth Proportional to 53,129.43, 79,667.28 and 23,556.33

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Solution

The fourth proportional to 53,129.43, 79,667.28 and 23,556.33 is: 35,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.43 : 79,667.28 = 23,556.33 : x
  2. Step 2: Convert to fraction form
    53,129.43/79,667.28 = 23,556.33/x
  3. Step 3: Cross multiply
    53,129.43x = 79,667.28 × 23,556.33
  4. Step 4: Simplify right side
    53,129.43x = 1,876,668,737.88
  5. Step 5: Solve for x
    x = 1,876,668,737.88/53,129.43
  6. Step 6: Final answer
    x = 35,322.58

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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.