Home / 104,401.26-144,072.54-56,654.64

Finding the Fourth Proportional to 104,401.26, 144,072.54 and 56,654.64

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Solution

The fourth proportional to 104,401.26, 144,072.54 and 56,654.64 is: 78,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,401.26 : 144,072.54 = 56,654.64 : x
  2. Step 2: Convert to fraction form
    104,401.26/144,072.54 = 56,654.64/x
  3. Step 3: Cross multiply
    104,401.26x = 144,072.54 × 56,654.64
  4. Step 4: Simplify right side
    104,401.26x = 8,162,377,887.59
  5. Step 5: Solve for x
    x = 8,162,377,887.59/104,401.26
  6. Step 6: Final answer
    x = 78,182.75

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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.