Finding the Fourth Proportional to 74,350.12, 111,523.80 and 29,975.68
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Solution
The fourth proportional to 74,350.12, 111,523.80 and 29,975.68 is: 44,962.96
Step by Step Solution
- Step 1: Write the proportion equation
74,350.12 : 111,523.80 = 29,975.68 : x - Step 2: Convert to fraction form
74,350.12/111,523.80 = 29,975.68/x - Step 3: Cross multiply
74,350.12x = 111,523.80 × 29,975.68 - Step 4: Simplify right side
74,350.12x = 3,343,001,741.18 - Step 5: Solve for x
x = 3,343,001,741.18/74,350.12 - Step 6: Final answer
x = 44,962.96
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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.