Finding the Fourth Proportional to 98,262.24, 135,605.52 and 55,827.96
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Solution
The fourth proportional to 98,262.24, 135,605.52 and 55,827.96 is: 77,044.65
Step by Step Solution
- Step 1: Write the proportion equation
98,262.24 : 135,605.52 = 55,827.96 : x - Step 2: Convert to fraction form
98,262.24/135,605.52 = 55,827.96/x - Step 3: Cross multiply
98,262.24x = 135,605.52 × 55,827.96 - Step 4: Simplify right side
98,262.24x = 7,570,579,546.34 - Step 5: Solve for x
x = 7,570,579,546.34/98,262.24 - Step 6: Final answer
x = 77,044.65
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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.