Home / 74,241.33-111,360.86-18,081.35

Finding the Fourth Proportional to 74,241.33, 111,360.86 and 18,081.35

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Solution

The fourth proportional to 74,241.33, 111,360.86 and 18,081.35 is: 27,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,241.33 : 111,360.86 = 18,081.35 : x
  2. Step 2: Convert to fraction form
    74,241.33/111,360.86 = 18,081.35/x
  3. Step 3: Cross multiply
    74,241.33x = 111,360.86 × 18,081.35
  4. Step 4: Simplify right side
    74,241.33x = 2,013,554,685.96
  5. Step 5: Solve for x
    x = 2,013,554,685.96/74,241.33
  6. Step 6: Final answer
    x = 27,121.75

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1.5x scale

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.