Finding the Fourth Proportional to 97,288.92, 134,257.68 and 54,861.12
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Solution
The fourth proportional to 97,288.92, 134,257.68 and 54,861.12 is: 75,707.77
Step by Step Solution
- Step 1: Write the proportion equation
97,288.92 : 134,257.68 = 54,861.12 : x - Step 2: Convert to fraction form
97,288.92/134,257.68 = 54,861.12/x - Step 3: Cross multiply
97,288.92x = 134,257.68 × 54,861.12 - Step 4: Simplify right side
97,288.92x = 7,365,526,693.40 - Step 5: Solve for x
x = 7,365,526,693.40/97,288.92 - Step 6: Final answer
x = 75,707.77
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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.