Home / 69,022.32-95,256.88-40,722.48

Finding the Fourth Proportional to 69,022.32, 95,256.88 and 40,722.48

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Solution

The fourth proportional to 69,022.32, 95,256.88 and 40,722.48 is: 56,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,022.32 : 95,256.88 = 40,722.48 : x
  2. Step 2: Convert to fraction form
    69,022.32/95,256.88 = 40,722.48/x
  3. Step 3: Cross multiply
    69,022.32x = 95,256.88 × 40,722.48
  4. Step 4: Simplify right side
    69,022.32x = 3,879,096,390.66
  5. Step 5: Solve for x
    x = 3,879,096,390.66/69,022.32
  6. Step 6: Final answer
    x = 56,200.61

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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.