Home / 104,408.64-144,083.61-56,661.57

Finding the Fourth Proportional to 104,408.64, 144,083.61 and 56,661.57

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Solution

The fourth proportional to 104,408.64, 144,083.61 and 56,661.57 is: 78,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,408.64 : 144,083.61 = 56,661.57 : x
  2. Step 2: Convert to fraction form
    104,408.64/144,083.61 = 56,661.57/x
  3. Step 3: Cross multiply
    104,408.64x = 144,083.61 × 56,661.57
  4. Step 4: Simplify right side
    104,408.64x = 8,164,003,553.87
  5. Step 5: Solve for x
    x = 8,164,003,553.87/104,408.64
  6. Step 6: Final answer
    x = 78,192.80

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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.