Finding the Fourth Proportional to 98,647.05, 135,497.06 and 96,755.75
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Solution
The fourth proportional to 98,647.05, 135,497.06 and 96,755.75 is: 132,899.26
Step by Step Solution
- Step 1: Write the proportion equation
98,647.05 : 135,497.06 = 96,755.75 : x - Step 2: Convert to fraction form
98,647.05/135,497.06 = 96,755.75/x - Step 3: Cross multiply
98,647.05x = 135,497.06 × 96,755.75 - Step 4: Simplify right side
98,647.05x = 13,110,119,663.10 - Step 5: Solve for x
x = 13,110,119,663.10/98,647.05 - Step 6: Final answer
x = 132,899.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.