Home / 79,284.08-109,412.89-43,473.32

Finding the Fourth Proportional to 79,284.08, 109,412.89 and 43,473.32

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Solution

The fourth proportional to 79,284.08, 109,412.89 and 43,473.32 is: 59,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,284.08 : 109,412.89 = 43,473.32 : x
  2. Step 2: Convert to fraction form
    79,284.08/109,412.89 = 43,473.32/x
  3. Step 3: Cross multiply
    79,284.08x = 109,412.89 × 43,473.32
  4. Step 4: Simplify right side
    79,284.08x = 4,756,541,579.09
  5. Step 5: Solve for x
    x = 4,756,541,579.09/79,284.08
  6. Step 6: Final answer
    x = 59,993.65

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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.