Home / 69,178.02-103,781.61-22,427.25

Finding the Fourth Proportional to 69,178.02, 103,781.61 and 22,427.25

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Solution

The fourth proportional to 69,178.02, 103,781.61 and 22,427.25 is: 33,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,178.02 : 103,781.61 = 22,427.25 : x
  2. Step 2: Convert to fraction form
    69,178.02/103,781.61 = 22,427.25/x
  3. Step 3: Cross multiply
    69,178.02x = 103,781.61 × 22,427.25
  4. Step 4: Simplify right side
    69,178.02x = 2,327,536,112.87
  5. Step 5: Solve for x
    x = 2,327,536,112.87/69,178.02
  6. Step 6: Final answer
    x = 33,645.60

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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.