Finding the Fourth Proportional to 97,091.36, 134,027.37 and 65,278.70
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Solution
The fourth proportional to 97,091.36, 134,027.37 and 65,278.70 is: 90,112.37
Step by Step Solution
- Step 1: Write the proportion equation
97,091.36 : 134,027.37 = 65,278.70 : x - Step 2: Convert to fraction form
97,091.36/134,027.37 = 65,278.70/x - Step 3: Cross multiply
97,091.36x = 134,027.37 × 65,278.70 - Step 4: Simplify right side
97,091.36x = 8,749,132,478.02 - Step 5: Solve for x
x = 8,749,132,478.02/97,091.36 - Step 6: Final answer
x = 90,112.37
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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.