Finding the Fourth Proportional to 66,772.06, 100,173.08 and 22,397.68
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Solution
The fourth proportional to 66,772.06, 100,173.08 and 22,397.68 is: 33,601.55
Step by Step Solution
- Step 1: Write the proportion equation
66,772.06 : 100,173.08 = 22,397.68 : x - Step 2: Convert to fraction form
66,772.06/100,173.08 = 22,397.68/x - Step 3: Cross multiply
66,772.06x = 100,173.08 × 22,397.68 - Step 4: Simplify right side
66,772.06x = 2,243,644,590.45 - Step 5: Solve for x
x = 2,243,644,590.45/66,772.06 - Step 6: Final answer
x = 33,601.55
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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.