Home / 126,019.44-189,043.74-41,787

Finding the Fourth Proportional to 126,019.44, 189,043.74 and 41,787

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Solution

The fourth proportional to 126,019.44, 189,043.74 and 41,787 is: 62,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,019.44 : 189,043.74 = 41,787 : x
  2. Step 2: Convert to fraction form
    126,019.44/189,043.74 = 41,787/x
  3. Step 3: Cross multiply
    126,019.44x = 189,043.74 × 41,787
  4. Step 4: Simplify right side
    126,019.44x = 7,899,570,763.38
  5. Step 5: Solve for x
    x = 7,899,570,763.38/126,019.44
  6. Step 6: Final answer
    x = 62,685.33

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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.