Finding the Fourth Proportional to 71,071.26, 106,607.28 and 29,518.26
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Solution
The fourth proportional to 71,071.26, 106,607.28 and 29,518.26 is: 44,277.55
Step by Step Solution
- Step 1: Write the proportion equation
71,071.26 : 106,607.28 = 29,518.26 : x - Step 2: Convert to fraction form
71,071.26/106,607.28 = 29,518.26/x - Step 3: Cross multiply
71,071.26x = 106,607.28 × 29,518.26 - Step 4: Simplify right side
71,071.26x = 3,146,861,408.93 - Step 5: Solve for x
x = 3,146,861,408.93/71,071.26 - Step 6: Final answer
x = 44,277.55
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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.