Home / 74,504.34-111,784.08-27,123.21

Finding the Fourth Proportional to 74,504.34, 111,784.08 and 27,123.21

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Solution

The fourth proportional to 74,504.34, 111,784.08 and 27,123.21 is: 40,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,504.34 : 111,784.08 = 27,123.21 : x
  2. Step 2: Convert to fraction form
    74,504.34/111,784.08 = 27,123.21/x
  3. Step 3: Cross multiply
    74,504.34x = 111,784.08 × 27,123.21
  4. Step 4: Simplify right side
    74,504.34x = 3,031,943,076.50
  5. Step 5: Solve for x
    x = 3,031,943,076.50/74,504.34
  6. Step 6: Final answer
    x = 40,694.85

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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.