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Finding the Fourth Proportional to 66,623.16, 99,927.72 and 22,245

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Solution

The fourth proportional to 66,623.16, 99,927.72 and 22,245 is: 33,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,623.16 : 99,927.72 = 22,245 : x
  2. Step 2: Convert to fraction form
    66,623.16/99,927.72 = 22,245/x
  3. Step 3: Cross multiply
    66,623.16x = 99,927.72 × 22,245
  4. Step 4: Simplify right side
    66,623.16x = 2,222,892,131.40
  5. Step 5: Solve for x
    x = 2,222,892,131.40/66,623.16
  6. Step 6: Final answer
    x = 33,365.16

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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.