Home / 72,979.74-109,476.09-26,245.98

Finding the Fourth Proportional to 72,979.74, 109,476.09 and 26,245.98

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Solution

The fourth proportional to 72,979.74, 109,476.09 and 26,245.98 is: 39,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,979.74 : 109,476.09 = 26,245.98 : x
  2. Step 2: Convert to fraction form
    72,979.74/109,476.09 = 26,245.98/x
  3. Step 3: Cross multiply
    72,979.74x = 109,476.09 × 26,245.98
  4. Step 4: Simplify right side
    72,979.74x = 2,873,307,268.62
  5. Step 5: Solve for x
    x = 2,873,307,268.62/72,979.74
  6. Step 6: Final answer
    x = 39,371.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.