Home / 105,951.85-146,213.01-57,553.39

Finding the Fourth Proportional to 105,951.85, 146,213.01 and 57,553.39

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Solution

The fourth proportional to 105,951.85, 146,213.01 and 57,553.39 is: 79,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,951.85 : 146,213.01 = 57,553.39 : x
  2. Step 2: Convert to fraction form
    105,951.85/146,213.01 = 57,553.39/x
  3. Step 3: Cross multiply
    105,951.85x = 146,213.01 × 57,553.39
  4. Step 4: Simplify right side
    105,951.85x = 8,415,054,387.60
  5. Step 5: Solve for x
    x = 8,415,054,387.60/105,951.85
  6. Step 6: Final answer
    x = 79,423.38

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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.