Home / 53,214.76-79,822.92-15,778.64

Finding the Fourth Proportional to 53,214.76, 79,822.92 and 15,778.64

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Solution

The fourth proportional to 53,214.76, 79,822.92 and 15,778.64 is: 23,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,214.76 : 79,822.92 = 15,778.64 : x
  2. Step 2: Convert to fraction form
    53,214.76/79,822.92 = 15,778.64/x
  3. Step 3: Cross multiply
    53,214.76x = 79,822.92 × 15,778.64
  4. Step 4: Simplify right side
    53,214.76x = 1,259,497,118.43
  5. Step 5: Solve for x
    x = 1,259,497,118.43/53,214.76
  6. Step 6: Final answer
    x = 23,668.19

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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.