Home / 74,158.70-111,237.08-17,999.25

Finding the Fourth Proportional to 74,158.70, 111,237.08 and 17,999.25

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Solution

The fourth proportional to 74,158.70, 111,237.08 and 17,999.25 is: 26,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,158.70 : 111,237.08 = 17,999.25 : x
  2. Step 2: Convert to fraction form
    74,158.70/111,237.08 = 17,999.25/x
  3. Step 3: Cross multiply
    74,158.70x = 111,237.08 × 17,999.25
  4. Step 4: Simplify right side
    74,158.70x = 2,002,183,922.19
  5. Step 5: Solve for x
    x = 2,002,183,922.19/74,158.70
  6. Step 6: Final answer
    x = 26,998.64

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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.