Home / 71,017.36-106,540.62-21,093.01

Finding the Fourth Proportional to 71,017.36, 106,540.62 and 21,093.01

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Solution

The fourth proportional to 71,017.36, 106,540.62 and 21,093.01 is: 31,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,017.36 : 106,540.62 = 21,093.01 : x
  2. Step 2: Convert to fraction form
    71,017.36/106,540.62 = 21,093.01/x
  3. Step 3: Cross multiply
    71,017.36x = 106,540.62 × 21,093.01
  4. Step 4: Simplify right side
    71,017.36x = 2,247,262,017.62
  5. Step 5: Solve for x
    x = 2,247,262,017.62/71,017.36
  6. Step 6: Final answer
    x = 31,643.84

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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.