Finding the Fourth Proportional to 97,342.75, 134,333.40 and 52,630.75
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Solution
The fourth proportional to 97,342.75, 134,333.40 and 52,630.75 is: 72,630.65
Step by Step Solution
- Step 1: Write the proportion equation
97,342.75 : 134,333.40 = 52,630.75 : x - Step 2: Convert to fraction form
97,342.75/134,333.40 = 52,630.75/x - Step 3: Cross multiply
97,342.75x = 134,333.40 × 52,630.75 - Step 4: Simplify right side
97,342.75x = 7,070,067,592.05 - Step 5: Solve for x
x = 7,070,067,592.05/97,342.75 - Step 6: Final answer
x = 72,630.65
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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.