Home / 126,409.41-189,642.33-47,524.32

Finding the Fourth Proportional to 126,409.41, 189,642.33 and 47,524.32

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Solution

The fourth proportional to 126,409.41, 189,642.33 and 47,524.32 is: 71,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,409.41 : 189,642.33 = 47,524.32 : x
  2. Step 2: Convert to fraction form
    126,409.41/189,642.33 = 47,524.32/x
  3. Step 3: Cross multiply
    126,409.41x = 189,642.33 × 47,524.32
  4. Step 4: Simplify right side
    126,409.41x = 9,012,622,776.47
  5. Step 5: Solve for x
    x = 9,012,622,776.47/126,409.41
  6. Step 6: Final answer
    x = 71,297.09

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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.