Home / 68,436.06-102,657.72-21,692.58

Finding the Fourth Proportional to 68,436.06, 102,657.72 and 21,692.58

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Solution

The fourth proportional to 68,436.06, 102,657.72 and 21,692.58 is: 32,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,436.06 : 102,657.72 = 21,692.58 : x
  2. Step 2: Convert to fraction form
    68,436.06/102,657.72 = 21,692.58/x
  3. Step 3: Cross multiply
    68,436.06x = 102,657.72 × 21,692.58
  4. Step 4: Simplify right side
    68,436.06x = 2,226,910,803.72
  5. Step 5: Solve for x
    x = 2,226,910,803.72/68,436.06
  6. Step 6: Final answer
    x = 32,540.02

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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.