Home / 79,124.69-118,662.44-26,521.88

Finding the Fourth Proportional to 79,124.69, 118,662.44 and 26,521.88

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Solution

The fourth proportional to 79,124.69, 118,662.44 and 26,521.88 is: 39,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,124.69 : 118,662.44 = 26,521.88 : x
  2. Step 2: Convert to fraction form
    79,124.69/118,662.44 = 26,521.88/x
  3. Step 3: Cross multiply
    79,124.69x = 118,662.44 × 26,521.88
  4. Step 4: Simplify right side
    79,124.69x = 3,147,150,268.27
  5. Step 5: Solve for x
    x = 3,147,150,268.27/79,124.69
  6. Step 6: Final answer
    x = 39,774.57

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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.