Home / 79,374.86-118,979.49-26,766.26

Finding the Fourth Proportional to 79,374.86, 118,979.49 and 26,766.26

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Solution

The fourth proportional to 79,374.86, 118,979.49 and 26,766.26 is: 40,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,374.86 : 118,979.49 = 26,766.26 : x
  2. Step 2: Convert to fraction form
    79,374.86/118,979.49 = 26,766.26/x
  3. Step 3: Cross multiply
    79,374.86x = 118,979.49 × 26,766.26
  4. Step 4: Simplify right side
    79,374.86x = 3,184,635,964.01
  5. Step 5: Solve for x
    x = 3,184,635,964.01/79,374.86
  6. Step 6: Final answer
    x = 40,121.47

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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.