Home / 74,222.84-111,372.54-34,783.96

Finding the Fourth Proportional to 74,222.84, 111,372.54 and 34,783.96

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Solution

The fourth proportional to 74,222.84, 111,372.54 and 34,783.96 is: 52,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,222.84 : 111,372.54 = 34,783.96 : x
  2. Step 2: Convert to fraction form
    74,222.84/111,372.54 = 34,783.96/x
  3. Step 3: Cross multiply
    74,222.84x = 111,372.54 × 34,783.96
  4. Step 4: Simplify right side
    74,222.84x = 3,873,977,976.46
  5. Step 5: Solve for x
    x = 3,873,977,976.46/74,222.84
  6. Step 6: Final answer
    x = 52,193.88

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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.