Home / 79,286.54-118,846.56-26,677.76

Finding the Fourth Proportional to 79,286.54, 118,846.56 and 26,677.76

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Solution

The fourth proportional to 79,286.54, 118,846.56 and 26,677.76 is: 39,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,286.54 : 118,846.56 = 26,677.76 : x
  2. Step 2: Convert to fraction form
    79,286.54/118,846.56 = 26,677.76/x
  3. Step 3: Cross multiply
    79,286.54x = 118,846.56 × 26,677.76
  4. Step 4: Simplify right side
    79,286.54x = 3,170,560,004.51
  5. Step 5: Solve for x
    x = 3,170,560,004.51/79,286.54
  6. Step 6: Final answer
    x = 39,988.63

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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.