Home / 69,212.76-95,515.44-42,354.72

Finding the Fourth Proportional to 69,212.76, 95,515.44 and 42,354.72

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Solution

The fourth proportional to 69,212.76, 95,515.44 and 42,354.72 is: 58,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,212.76 : 95,515.44 = 42,354.72 : x
  2. Step 2: Convert to fraction form
    69,212.76/95,515.44 = 42,354.72/x
  3. Step 3: Cross multiply
    69,212.76x = 95,515.44 × 42,354.72
  4. Step 4: Simplify right side
    69,212.76x = 4,045,529,716.88
  5. Step 5: Solve for x
    x = 4,045,529,716.88/69,212.76
  6. Step 6: Final answer
    x = 58,450.63

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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.