Home / 75,815.44-104,626-43,984.88

Finding the Fourth Proportional to 75,815.44, 104,626 and 43,984.88

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Solution

The fourth proportional to 75,815.44, 104,626 and 43,984.88 is: 60,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815.44 : 104,626 = 43,984.88 : x
  2. Step 2: Convert to fraction form
    75,815.44/104,626 = 43,984.88/x
  3. Step 3: Cross multiply
    75,815.44x = 104,626 × 43,984.88
  4. Step 4: Simplify right side
    75,815.44x = 4,601,962,054.88
  5. Step 5: Solve for x
    x = 4,601,962,054.88/75,815.44
  6. Step 6: Final answer
    x = 60,699.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.