Home / 71,844.36-99,145.19-41,647.21

Finding the Fourth Proportional to 71,844.36, 99,145.19 and 41,647.21

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Solution

The fourth proportional to 71,844.36, 99,145.19 and 41,647.21 is: 57,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,844.36 : 99,145.19 = 41,647.21 : x
  2. Step 2: Convert to fraction form
    71,844.36/99,145.19 = 41,647.21/x
  3. Step 3: Cross multiply
    71,844.36x = 99,145.19 × 41,647.21
  4. Step 4: Simplify right side
    71,844.36x = 4,129,120,548.42
  5. Step 5: Solve for x
    x = 4,129,120,548.42/71,844.36
  6. Step 6: Final answer
    x = 57,473.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.