Home / 69,358.75-95,704.82-42,120.67

Finding the Fourth Proportional to 69,358.75, 95,704.82 and 42,120.67

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Solution

The fourth proportional to 69,358.75, 95,704.82 and 42,120.67 is: 58,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,358.75 : 95,704.82 = 42,120.67 : x
  2. Step 2: Convert to fraction form
    69,358.75/95,704.82 = 42,120.67/x
  3. Step 3: Cross multiply
    69,358.75x = 95,704.82 × 42,120.67
  4. Step 4: Simplify right side
    69,358.75x = 4,031,151,049.66
  5. Step 5: Solve for x
    x = 4,031,151,049.66/69,358.75
  6. Step 6: Final answer
    x = 58,120.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.