Home / 113,734.04-170,396.74-66,961.40

Finding the Fourth Proportional to 113,734.04, 170,396.74 and 66,961.40

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Solution

The fourth proportional to 113,734.04, 170,396.74 and 66,961.40 is: 100,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,734.04 : 170,396.74 = 66,961.40 : x
  2. Step 2: Convert to fraction form
    113,734.04/170,396.74 = 66,961.40/x
  3. Step 3: Cross multiply
    113,734.04x = 170,396.74 × 66,961.40
  4. Step 4: Simplify right side
    113,734.04x = 11,410,004,265.84
  5. Step 5: Solve for x
    x = 11,410,004,265.84/113,734.04
  6. Step 6: Final answer
    x = 100,321.81

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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.