Home / 51,326.22-70,828.11-28,664.85

Finding the Fourth Proportional to 51,326.22, 70,828.11 and 28,664.85

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Solution

The fourth proportional to 51,326.22, 70,828.11 and 28,664.85 is: 39,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,326.22 : 70,828.11 = 28,664.85 : x
  2. Step 2: Convert to fraction form
    51,326.22/70,828.11 = 28,664.85/x
  3. Step 3: Cross multiply
    51,326.22x = 70,828.11 × 28,664.85
  4. Step 4: Simplify right side
    51,326.22x = 2,030,277,148.93
  5. Step 5: Solve for x
    x = 2,030,277,148.93/51,326.22
  6. Step 6: Final answer
    x = 39,556.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.