Home / 112,835.44-155,692.44-72,539.96

Finding the Fourth Proportional to 112,835.44, 155,692.44 and 72,539.96

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Solution

The fourth proportional to 112,835.44, 155,692.44 and 72,539.96 is: 100,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,835.44 : 155,692.44 = 72,539.96 : x
  2. Step 2: Convert to fraction form
    112,835.44/155,692.44 = 72,539.96/x
  3. Step 3: Cross multiply
    112,835.44x = 155,692.44 × 72,539.96
  4. Step 4: Simplify right side
    112,835.44x = 11,293,923,369.90
  5. Step 5: Solve for x
    x = 11,293,923,369.90/112,835.44
  6. Step 6: Final answer
    x = 100,091.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.