Finding the Fourth Proportional to 71,461.64, 107,192.84 and 29,330.84
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Solution
The fourth proportional to 71,461.64, 107,192.84 and 29,330.84 is: 43,996.42
Step by Step Solution
- Step 1: Write the proportion equation
71,461.64 : 107,192.84 = 29,330.84 : x - Step 2: Convert to fraction form
71,461.64/107,192.84 = 29,330.84/x - Step 3: Cross multiply
71,461.64x = 107,192.84 × 29,330.84 - Step 4: Simplify right side
71,461.64x = 3,144,056,039.19 - Step 5: Solve for x
x = 3,144,056,039.19/71,461.64 - Step 6: Final answer
x = 43,996.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.