Finding the Fourth Proportional to 98,546.54, 135,994.36 and 56,105.08
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Solution
The fourth proportional to 98,546.54, 135,994.36 and 56,105.08 is: 77,425.09
Step by Step Solution
- Step 1: Write the proportion equation
98,546.54 : 135,994.36 = 56,105.08 : x - Step 2: Convert to fraction form
98,546.54/135,994.36 = 56,105.08/x - Step 3: Cross multiply
98,546.54x = 135,994.36 × 56,105.08 - Step 4: Simplify right side
98,546.54x = 7,629,974,447.35 - Step 5: Solve for x
x = 7,629,974,447.35/98,546.54 - Step 6: Final answer
x = 77,425.09
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1.5x scale
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.