Finding the Fourth Proportional to 97,821.92, 134,994.48 and 53,108.96
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Solution
The fourth proportional to 97,821.92, 134,994.48 and 53,108.96 is: 73,290.49
Step by Step Solution
- Step 1: Write the proportion equation
97,821.92 : 134,994.48 = 53,108.96 : x - Step 2: Convert to fraction form
97,821.92/134,994.48 = 53,108.96/x - Step 3: Cross multiply
97,821.92x = 134,994.48 × 53,108.96 - Step 4: Simplify right side
97,821.92x = 7,169,416,438.54 - Step 5: Solve for x
x = 7,169,416,438.54/97,821.92 - Step 6: Final answer
x = 73,290.49
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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.