Home / 79,674.08-109,948.09-43,864.36

Finding the Fourth Proportional to 79,674.08, 109,948.09 and 43,864.36

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Solution

The fourth proportional to 79,674.08, 109,948.09 and 43,864.36 is: 60,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,674.08 : 109,948.09 = 43,864.36 : x
  2. Step 2: Convert to fraction form
    79,674.08/109,948.09 = 43,864.36/x
  3. Step 3: Cross multiply
    79,674.08x = 109,948.09 × 43,864.36
  4. Step 4: Simplify right side
    79,674.08x = 4,822,802,051.33
  5. Step 5: Solve for x
    x = 4,822,802,051.33/79,674.08
  6. Step 6: Final answer
    x = 60,531.64

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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.