Finding the Fourth Proportional to 96,308.16, 132,893.28 and 53,859.84
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Solution
The fourth proportional to 96,308.16, 132,893.28 and 53,859.84 is: 74,319.88
Step by Step Solution
- Step 1: Write the proportion equation
96,308.16 : 132,893.28 = 53,859.84 : x - Step 2: Convert to fraction form
96,308.16/132,893.28 = 53,859.84/x - Step 3: Cross multiply
96,308.16x = 132,893.28 × 53,859.84 - Step 4: Simplify right side
96,308.16x = 7,157,610,797.88 - Step 5: Solve for x
x = 7,157,610,797.88/96,308.16 - Step 6: Final answer
x = 74,319.88
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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.