Home / 123,877.73-170,954.43-70,161.95

Finding the Fourth Proportional to 123,877.73, 170,954.43 and 70,161.95

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Solution

The fourth proportional to 123,877.73, 170,954.43 and 70,161.95 is: 96,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,877.73 : 170,954.43 = 70,161.95 : x
  2. Step 2: Convert to fraction form
    123,877.73/170,954.43 = 70,161.95/x
  3. Step 3: Cross multiply
    123,877.73x = 170,954.43 × 70,161.95
  4. Step 4: Simplify right side
    123,877.73x = 11,994,496,169.94
  5. Step 5: Solve for x
    x = 11,994,496,169.94/123,877.73
  6. Step 6: Final answer
    x = 96,825.28

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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.