Home / 74,450.88-111,695.13-21,860.37

Finding the Fourth Proportional to 74,450.88, 111,695.13 and 21,860.37

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Solution

The fourth proportional to 74,450.88, 111,695.13 and 21,860.37 is: 32,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,450.88 : 111,695.13 = 21,860.37 : x
  2. Step 2: Convert to fraction form
    74,450.88/111,695.13 = 21,860.37/x
  3. Step 3: Cross multiply
    74,450.88x = 111,695.13 × 21,860.37
  4. Step 4: Simplify right side
    74,450.88x = 2,441,696,869.00
  5. Step 5: Solve for x
    x = 2,441,696,869.00/74,450.88
  6. Step 6: Final answer
    x = 32,796.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.