Home / 79,464.04-109,660.80-43,653.16

Finding the Fourth Proportional to 79,464.04, 109,660.80 and 43,653.16

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Solution

The fourth proportional to 79,464.04, 109,660.80 and 43,653.16 is: 60,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,464.04 : 109,660.80 = 43,653.16 : x
  2. Step 2: Convert to fraction form
    79,464.04/109,660.80 = 43,653.16/x
  3. Step 3: Cross multiply
    79,464.04x = 109,660.80 × 43,653.16
  4. Step 4: Simplify right side
    79,464.04x = 4,787,040,448.13
  5. Step 5: Solve for x
    x = 4,787,040,448.13/79,464.04
  6. Step 6: Final answer
    x = 60,241.59

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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.