Home / 72,460.44-99,994.14-40,629.24

Finding the Fourth Proportional to 72,460.44, 99,994.14 and 40,629.24

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Solution

The fourth proportional to 72,460.44, 99,994.14 and 40,629.24 is: 56,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,460.44 : 99,994.14 = 40,629.24 : x
  2. Step 2: Convert to fraction form
    72,460.44/99,994.14 = 40,629.24/x
  3. Step 3: Cross multiply
    72,460.44x = 99,994.14 × 40,629.24
  4. Step 4: Simplify right side
    72,460.44x = 4,062,685,912.65
  5. Step 5: Solve for x
    x = 4,062,685,912.65/72,460.44
  6. Step 6: Final answer
    x = 56,067.64

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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.