Home / 45,403.52-68,112.56-17,322.44

Finding the Fourth Proportional to 45,403.52, 68,112.56 and 17,322.44

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Solution

The fourth proportional to 45,403.52, 68,112.56 and 17,322.44 is: 25,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403.52 : 68,112.56 = 17,322.44 : x
  2. Step 2: Convert to fraction form
    45,403.52/68,112.56 = 17,322.44/x
  3. Step 3: Cross multiply
    45,403.52x = 68,112.56 × 17,322.44
  4. Step 4: Simplify right side
    45,403.52x = 1,179,875,647.23
  5. Step 5: Solve for x
    x = 1,179,875,647.23/45,403.52
  6. Step 6: Final answer
    x = 25,986.44

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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.