Home / 74,305.34-111,372.14-34,240.55

Finding the Fourth Proportional to 74,305.34, 111,372.14 and 34,240.55

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Solution

The fourth proportional to 74,305.34, 111,372.14 and 34,240.55 is: 51,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,305.34 : 111,372.14 = 34,240.55 : x
  2. Step 2: Convert to fraction form
    74,305.34/111,372.14 = 34,240.55/x
  3. Step 3: Cross multiply
    74,305.34x = 111,372.14 × 34,240.55
  4. Step 4: Simplify right side
    74,305.34x = 3,813,443,692.31
  5. Step 5: Solve for x
    x = 3,813,443,692.31/74,305.34
  6. Step 6: Final answer
    x = 51,321.26

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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.