Home / 79,840.89-119,772.27-27,236.25

Finding the Fourth Proportional to 79,840.89, 119,772.27 and 27,236.25

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Solution

The fourth proportional to 79,840.89, 119,772.27 and 27,236.25 is: 40,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,840.89 : 119,772.27 = 27,236.25 : x
  2. Step 2: Convert to fraction form
    79,840.89/119,772.27 = 27,236.25/x
  3. Step 3: Cross multiply
    79,840.89x = 119,772.27 × 27,236.25
  4. Step 4: Simplify right side
    79,840.89x = 3,262,147,488.79
  5. Step 5: Solve for x
    x = 3,262,147,488.79/79,840.89
  6. Step 6: Final answer
    x = 40,858.11

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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.