Home / 69,021.41-103,534.43-19,097.33

Finding the Fourth Proportional to 69,021.41, 103,534.43 and 19,097.33

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Solution

The fourth proportional to 69,021.41, 103,534.43 and 19,097.33 is: 28,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,021.41 : 103,534.43 = 19,097.33 : x
  2. Step 2: Convert to fraction form
    69,021.41/103,534.43 = 19,097.33/x
  3. Step 3: Cross multiply
    69,021.41x = 103,534.43 × 19,097.33
  4. Step 4: Simplify right side
    69,021.41x = 1,977,230,562.91
  5. Step 5: Solve for x
    x = 1,977,230,562.91/69,021.41
  6. Step 6: Final answer
    x = 28,646.63

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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.