Home / 69,740.40-104,610.60-60,992.40

Finding the Fourth Proportional to 69,740.40, 104,610.60 and 60,992.40

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Solution

The fourth proportional to 69,740.40, 104,610.60 and 60,992.40 is: 91,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.40 : 104,610.60 = 60,992.40 : x
  2. Step 2: Convert to fraction form
    69,740.40/104,610.60 = 60,992.40/x
  3. Step 3: Cross multiply
    69,740.40x = 104,610.60 × 60,992.40
  4. Step 4: Simplify right side
    69,740.40x = 6,380,451,559.44
  5. Step 5: Solve for x
    x = 6,380,451,559.44/69,740.40
  6. Step 6: Final answer
    x = 91,488.60

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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.