Finding the Fourth Proportional to 74,056.62, 102,197.91 and 40,522.62
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Solution
The fourth proportional to 74,056.62, 102,197.91 and 40,522.62 is: 55,921.09
Step by Step Solution
- Step 1: Write the proportion equation
74,056.62 : 102,197.91 = 40,522.62 : x - Step 2: Convert to fraction form
74,056.62/102,197.91 = 40,522.62/x - Step 3: Cross multiply
74,056.62x = 102,197.91 × 40,522.62 - Step 4: Simplify right side
74,056.62x = 4,141,327,071.72 - Step 5: Solve for x
x = 4,141,327,071.72/74,056.62 - Step 6: Final answer
x = 55,921.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.