Home / 69,380.47-104,070.71-16,789.96

Finding the Fourth Proportional to 69,380.47, 104,070.71 and 16,789.96

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Solution

The fourth proportional to 69,380.47, 104,070.71 and 16,789.96 is: 25,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.47 : 104,070.71 = 16,789.96 : x
  2. Step 2: Convert to fraction form
    69,380.47/104,070.71 = 16,789.96/x
  3. Step 3: Cross multiply
    69,380.47x = 104,070.71 × 16,789.96
  4. Step 4: Simplify right side
    69,380.47x = 1,747,343,058.07
  5. Step 5: Solve for x
    x = 1,747,343,058.07/69,380.47
  6. Step 6: Final answer
    x = 25,184.94

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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.