Finding the Fourth Proportional to 107,700.12, 161,449.80 and 36,574.12
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Solution
The fourth proportional to 107,700.12, 161,449.80 and 36,574.12 is: 54,827.09
Step by Step Solution
- Step 1: Write the proportion equation
107,700.12 : 161,449.80 = 36,574.12 : x - Step 2: Convert to fraction form
107,700.12/161,449.80 = 36,574.12/x - Step 3: Cross multiply
107,700.12x = 161,449.80 × 36,574.12 - Step 4: Simplify right side
107,700.12x = 5,904,884,359.18 - Step 5: Solve for x
x = 5,904,884,359.18/107,700.12 - Step 6: Final answer
x = 54,827.09
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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.