Finding the Fourth Proportional to 68,885.10, 103,303.35 and 22,122.18
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Solution
The fourth proportional to 68,885.10, 103,303.35 and 22,122.18 is: 33,175.47
Step by Step Solution
- Step 1: Write the proportion equation
68,885.10 : 103,303.35 = 22,122.18 : x - Step 2: Convert to fraction form
68,885.10/103,303.35 = 22,122.18/x - Step 3: Cross multiply
68,885.10x = 103,303.35 × 22,122.18 - Step 4: Simplify right side
68,885.10x = 2,285,295,303.30 - Step 5: Solve for x
x = 2,285,295,303.30/68,885.10 - Step 6: Final answer
x = 33,175.47
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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.