Finding the Fourth Proportional to 97,296.80, 134,269.35 and 54,855.02
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Solution
The fourth proportional to 97,296.80, 134,269.35 and 54,855.02 is: 75,699.81
Step by Step Solution
- Step 1: Write the proportion equation
97,296.80 : 134,269.35 = 54,855.02 : x - Step 2: Convert to fraction form
97,296.80/134,269.35 = 54,855.02/x - Step 3: Cross multiply
97,296.80x = 134,269.35 × 54,855.02 - Step 4: Simplify right side
97,296.80x = 7,365,348,472.44 - Step 5: Solve for x
x = 7,365,348,472.44/97,296.80 - Step 6: Final answer
x = 75,699.81
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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.