Finding the Fourth Proportional to 96,343.68, 132,956.64 and 53,904.96
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Solution
The fourth proportional to 96,343.68, 132,956.64 and 53,904.96 is: 74,390.17
Step by Step Solution
- Step 1: Write the proportion equation
96,343.68 : 132,956.64 = 53,904.96 : x - Step 2: Convert to fraction form
96,343.68/132,956.64 = 53,904.96/x - Step 3: Cross multiply
96,343.68x = 132,956.64 × 53,904.96 - Step 4: Simplify right side
96,343.68x = 7,167,022,360.93 - Step 5: Solve for x
x = 7,167,022,360.93/96,343.68 - Step 6: Final answer
x = 74,390.17
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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.