Home / 74,181.48-111,271.20-18,022

Finding the Fourth Proportional to 74,181.48, 111,271.20 and 18,022

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Solution

The fourth proportional to 74,181.48, 111,271.20 and 18,022 is: 27,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181.48 : 111,271.20 = 18,022 : x
  2. Step 2: Convert to fraction form
    74,181.48/111,271.20 = 18,022/x
  3. Step 3: Cross multiply
    74,181.48x = 111,271.20 × 18,022
  4. Step 4: Simplify right side
    74,181.48x = 2,005,329,566.40
  5. Step 5: Solve for x
    x = 2,005,329,566.40/74,181.48
  6. Step 6: Final answer
    x = 27,032.75

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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.