Home / 104,982.49-144,877.85-57,237.85

Finding the Fourth Proportional to 104,982.49, 144,877.85 and 57,237.85

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Solution

The fourth proportional to 104,982.49, 144,877.85 and 57,237.85 is: 78,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,982.49 : 144,877.85 = 57,237.85 : x
  2. Step 2: Convert to fraction form
    104,982.49/144,877.85 = 57,237.85/x
  3. Step 3: Cross multiply
    104,982.49x = 144,877.85 × 57,237.85
  4. Step 4: Simplify right side
    104,982.49x = 8,292,496,646.62
  5. Step 5: Solve for x
    x = 8,292,496,646.62/104,982.49
  6. Step 6: Final answer
    x = 78,989.33

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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.