Finding the Fourth Proportional to 79,654.03, 119,407.20 and 35,257.12
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Solution
The fourth proportional to 79,654.03, 119,407.20 and 35,257.12 is: 52,852.99
Step by Step Solution
- Step 1: Write the proportion equation
79,654.03 : 119,407.20 = 35,257.12 : x - Step 2: Convert to fraction form
79,654.03/119,407.20 = 35,257.12/x - Step 3: Cross multiply
79,654.03x = 119,407.20 × 35,257.12 - Step 4: Simplify right side
79,654.03x = 4,209,953,979.26 - Step 5: Solve for x
x = 4,209,953,979.26/79,654.03 - Step 6: Final answer
x = 52,852.99
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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.