Home / 79,478.05-119,142.96-26,850.73

Finding the Fourth Proportional to 79,478.05, 119,142.96 and 26,850.73

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Solution

The fourth proportional to 79,478.05, 119,142.96 and 26,850.73 is: 40,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,478.05 : 119,142.96 = 26,850.73 : x
  2. Step 2: Convert to fraction form
    79,478.05/119,142.96 = 26,850.73/x
  3. Step 3: Cross multiply
    79,478.05x = 119,142.96 × 26,850.73
  4. Step 4: Simplify right side
    79,478.05x = 3,199,075,450.36
  5. Step 5: Solve for x
    x = 3,199,075,450.36/79,478.05
  6. Step 6: Final answer
    x = 40,251.06

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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.