Finding the Fourth Proportional to 97,080.96, 133,953.84 and 54,630.48
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Solution
The fourth proportional to 97,080.96, 133,953.84 and 54,630.48 is: 75,380.00
Step by Step Solution
- Step 1: Write the proportion equation
97,080.96 : 133,953.84 = 54,630.48 : x - Step 2: Convert to fraction form
97,080.96/133,953.84 = 54,630.48/x - Step 3: Cross multiply
97,080.96x = 133,953.84 × 54,630.48 - Step 4: Simplify right side
97,080.96x = 7,317,962,577.04 - Step 5: Solve for x
x = 7,317,962,577.04/97,080.96 - Step 6: Final answer
x = 75,380.00
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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.