Home / 68,529.12-102,845.61-29,113.89

Finding the Fourth Proportional to 68,529.12, 102,845.61 and 29,113.89

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Solution

The fourth proportional to 68,529.12, 102,845.61 and 29,113.89 is: 43,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,529.12 : 102,845.61 = 29,113.89 : x
  2. Step 2: Convert to fraction form
    68,529.12/102,845.61 = 29,113.89/x
  3. Step 3: Cross multiply
    68,529.12x = 102,845.61 × 29,113.89
  4. Step 4: Simplify right side
    68,529.12x = 2,994,235,776.52
  5. Step 5: Solve for x
    x = 2,994,235,776.52/68,529.12
  6. Step 6: Final answer
    x = 43,692.90

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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.