Home / 104,415.26-144,091.86-56,668.64

Finding the Fourth Proportional to 104,415.26, 144,091.86 and 56,668.64

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Solution

The fourth proportional to 104,415.26, 144,091.86 and 56,668.64 is: 78,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,415.26 : 144,091.86 = 56,668.64 : x
  2. Step 2: Convert to fraction form
    104,415.26/144,091.86 = 56,668.64/x
  3. Step 3: Cross multiply
    104,415.26x = 144,091.86 × 56,668.64
  4. Step 4: Simplify right side
    104,415.26x = 8,165,489,741.27
  5. Step 5: Solve for x
    x = 8,165,489,741.27/104,415.26
  6. Step 6: Final answer
    x = 78,202.07

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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.