Finding the Fourth Proportional to 78,840, 118,277.28 and 29,592
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Solution
The fourth proportional to 78,840, 118,277.28 and 29,592 is: 44,394.49
Step by Step Solution
- Step 1: Write the proportion equation
78,840 : 118,277.28 = 29,592 : x - Step 2: Convert to fraction form
78,840/118,277.28 = 29,592/x - Step 3: Cross multiply
78,840x = 118,277.28 × 29,592 - Step 4: Simplify right side
78,840x = 3,500,061,269.76 - Step 5: Solve for x
x = 3,500,061,269.76/78,840 - Step 6: Final answer
x = 44,394.49
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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.