Home / 70,227.30-105,351.45-25,850.67

Finding the Fourth Proportional to 70,227.30, 105,351.45 and 25,850.67

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Solution

The fourth proportional to 70,227.30, 105,351.45 and 25,850.67 is: 38,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227.30 : 105,351.45 = 25,850.67 : x
  2. Step 2: Convert to fraction form
    70,227.30/105,351.45 = 25,850.67/x
  3. Step 3: Cross multiply
    70,227.30x = 105,351.45 × 25,850.67
  4. Step 4: Simplify right side
    70,227.30x = 2,723,405,567.97
  5. Step 5: Solve for x
    x = 2,723,405,567.97/70,227.30
  6. Step 6: Final answer
    x = 38,779.87

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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.