Finding the Fourth Proportional to 96,292.80, 132,881.28 and 53,274.06
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Solution
The fourth proportional to 96,292.80, 132,881.28 and 53,274.06 is: 73,516.66
Step by Step Solution
- Step 1: Write the proportion equation
96,292.80 : 132,881.28 = 53,274.06 : x - Step 2: Convert to fraction form
96,292.80/132,881.28 = 53,274.06/x - Step 3: Cross multiply
96,292.80x = 132,881.28 × 53,274.06 - Step 4: Simplify right side
96,292.80x = 7,079,125,283.60 - Step 5: Solve for x
x = 7,079,125,283.60/96,292.80 - Step 6: Final answer
x = 73,516.66
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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.