Home / 74,669.06-111,964.70-35,215.58

Finding the Fourth Proportional to 74,669.06, 111,964.70 and 35,215.58

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Solution

The fourth proportional to 74,669.06, 111,964.70 and 35,215.58 is: 52,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669.06 : 111,964.70 = 35,215.58 : x
  2. Step 2: Convert to fraction form
    74,669.06/111,964.70 = 35,215.58/x
  3. Step 3: Cross multiply
    74,669.06x = 111,964.70 × 35,215.58
  4. Step 4: Simplify right side
    74,669.06x = 3,942,901,938.06
  5. Step 5: Solve for x
    x = 3,942,901,938.06/74,669.06
  6. Step 6: Final answer
    x = 52,805.03

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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.