Home / 68,365.44-102,400.52-66,692.38

Finding the Fourth Proportional to 68,365.44, 102,400.52 and 66,692.38

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Solution

The fourth proportional to 68,365.44, 102,400.52 and 66,692.38 is: 99,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,365.44 : 102,400.52 = 66,692.38 : x
  2. Step 2: Convert to fraction form
    68,365.44/102,400.52 = 66,692.38/x
  3. Step 3: Cross multiply
    68,365.44x = 102,400.52 × 66,692.38
  4. Step 4: Simplify right side
    68,365.44x = 6,829,334,392.04
  5. Step 5: Solve for x
    x = 6,829,334,392.04/68,365.44
  6. Step 6: Final answer
    x = 99,894.54

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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.