Home / 69,179.04-95,460.60-40,879.32

Finding the Fourth Proportional to 69,179.04, 95,460.60 and 40,879.32

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Solution

The fourth proportional to 69,179.04, 95,460.60 and 40,879.32 is: 56,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,179.04 : 95,460.60 = 40,879.32 : x
  2. Step 2: Convert to fraction form
    69,179.04/95,460.60 = 40,879.32/x
  3. Step 3: Cross multiply
    69,179.04x = 95,460.60 × 40,879.32
  4. Step 4: Simplify right side
    69,179.04x = 3,902,364,414.79
  5. Step 5: Solve for x
    x = 3,902,364,414.79/69,179.04
  6. Step 6: Final answer
    x = 56,409.64

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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.