Finding the Fourth Proportional to 97,644.92, 134,743.61 and 54,616.95
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Solution
The fourth proportional to 97,644.92, 134,743.61 and 54,616.95 is: 75,367.82
Step by Step Solution
- Step 1: Write the proportion equation
97,644.92 : 134,743.61 = 54,616.95 : x - Step 2: Convert to fraction form
97,644.92/134,743.61 = 54,616.95/x - Step 3: Cross multiply
97,644.92x = 134,743.61 × 54,616.95 - Step 4: Simplify right side
97,644.92x = 7,359,284,737.10 - Step 5: Solve for x
x = 7,359,284,737.10/97,644.92 - Step 6: Final answer
x = 75,367.82
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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.