Home / 74,102.24-111,153.63-17,942.25

Finding the Fourth Proportional to 74,102.24, 111,153.63 and 17,942.25

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Solution

The fourth proportional to 74,102.24, 111,153.63 and 17,942.25 is: 26,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.24 : 111,153.63 = 17,942.25 : x
  2. Step 2: Convert to fraction form
    74,102.24/111,153.63 = 17,942.25/x
  3. Step 3: Cross multiply
    74,102.24x = 111,153.63 × 17,942.25
  4. Step 4: Simplify right side
    74,102.24x = 1,994,346,217.87
  5. Step 5: Solve for x
    x = 1,994,346,217.87/74,102.24
  6. Step 6: Final answer
    x = 26,913.44

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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.