Finding the Fourth Proportional to 97,611.04, 134,769.36 and 61,832.80
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Solution
The fourth proportional to 97,611.04, 134,769.36 and 61,832.80 is: 85,371.15
Step by Step Solution
- Step 1: Write the proportion equation
97,611.04 : 134,769.36 = 61,832.80 : x - Step 2: Convert to fraction form
97,611.04/134,769.36 = 61,832.80/x - Step 3: Cross multiply
97,611.04x = 134,769.36 × 61,832.80 - Step 4: Simplify right side
97,611.04x = 8,333,166,883.01 - Step 5: Solve for x
x = 8,333,166,883.01/97,611.04 - Step 6: Final answer
x = 85,371.15
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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.