Home / 104,443.09-144,131.64-56,696.47

Finding the Fourth Proportional to 104,443.09, 144,131.64 and 56,696.47

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Solution

The fourth proportional to 104,443.09, 144,131.64 and 56,696.47 is: 78,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,443.09 : 144,131.64 = 56,696.47 : x
  2. Step 2: Convert to fraction form
    104,443.09/144,131.64 = 56,696.47/x
  3. Step 3: Cross multiply
    104,443.09x = 144,131.64 × 56,696.47
  4. Step 4: Simplify right side
    104,443.09x = 8,171,755,203.31
  5. Step 5: Solve for x
    x = 8,171,755,203.31/104,443.09
  6. Step 6: Final answer
    x = 78,241.22

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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.