Home / 53,217.69-79,841.95-15,778.48

Finding the Fourth Proportional to 53,217.69, 79,841.95 and 15,778.48

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Solution

The fourth proportional to 53,217.69, 79,841.95 and 15,778.48 is: 23,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.69 : 79,841.95 = 15,778.48 : x
  2. Step 2: Convert to fraction form
    53,217.69/79,841.95 = 15,778.48/x
  3. Step 3: Cross multiply
    53,217.69x = 79,841.95 × 15,778.48
  4. Step 4: Simplify right side
    53,217.69x = 1,259,784,610.64
  5. Step 5: Solve for x
    x = 1,259,784,610.64/53,217.69
  6. Step 6: Final answer
    x = 23,672.29

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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.