Finding the Fourth Proportional to 98,371.52, 135,753.12 and 53,660.48
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Solution
The fourth proportional to 98,371.52, 135,753.12 and 53,660.48 is: 74,051.69
Step by Step Solution
- Step 1: Write the proportion equation
98,371.52 : 135,753.12 = 53,660.48 : x - Step 2: Convert to fraction form
98,371.52/135,753.12 = 53,660.48/x - Step 3: Cross multiply
98,371.52x = 135,753.12 × 53,660.48 - Step 4: Simplify right side
98,371.52x = 7,284,577,580.70 - Step 5: Solve for x
x = 7,284,577,580.70/98,371.52 - Step 6: Final answer
x = 74,051.69
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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.