Home / 104,408.09-144,083.25-56,661.44

Finding the Fourth Proportional to 104,408.09, 144,083.25 and 56,661.44

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Solution

The fourth proportional to 104,408.09, 144,083.25 and 56,661.44 is: 78,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,408.09 : 144,083.25 = 56,661.44 : x
  2. Step 2: Convert to fraction form
    104,408.09/144,083.25 = 56,661.44/x
  3. Step 3: Cross multiply
    104,408.09x = 144,083.25 × 56,661.44
  4. Step 4: Simplify right side
    104,408.09x = 8,163,963,704.46
  5. Step 5: Solve for x
    x = 8,163,963,704.46/104,408.09
  6. Step 6: Final answer
    x = 78,192.83

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1.5x scale

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.