Home / 79,840.36-119,772.84-27,237.58

Finding the Fourth Proportional to 79,840.36, 119,772.84 and 27,237.58

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Solution

The fourth proportional to 79,840.36, 119,772.84 and 27,237.58 is: 40,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,840.36 : 119,772.84 = 27,237.58 : x
  2. Step 2: Convert to fraction form
    79,840.36/119,772.84 = 27,237.58/x
  3. Step 3: Cross multiply
    79,840.36x = 119,772.84 × 27,237.58
  4. Step 4: Simplify right side
    79,840.36x = 3,262,322,311.33
  5. Step 5: Solve for x
    x = 3,262,322,311.33/79,840.36
  6. Step 6: Final answer
    x = 40,860.57

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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.