Home / 68,226.25-102,343.02-21,482.77

Finding the Fourth Proportional to 68,226.25, 102,343.02 and 21,482.77

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Solution

The fourth proportional to 68,226.25, 102,343.02 and 21,482.77 is: 32,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,226.25 : 102,343.02 = 21,482.77 : x
  2. Step 2: Convert to fraction form
    68,226.25/102,343.02 = 21,482.77/x
  3. Step 3: Cross multiply
    68,226.25x = 102,343.02 × 21,482.77
  4. Step 4: Simplify right side
    68,226.25x = 2,198,611,559.77
  5. Step 5: Solve for x
    x = 2,198,611,559.77/68,226.25
  6. Step 6: Final answer
    x = 32,225.30

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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.