Finding the Fourth Proportional to 97,690.74, 146,531.71 and 40,741.19
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Solution
The fourth proportional to 97,690.74, 146,531.71 and 40,741.19 is: 61,109.95
Step by Step Solution
- Step 1: Write the proportion equation
97,690.74 : 146,531.71 = 40,741.19 : x - Step 2: Convert to fraction form
97,690.74/146,531.71 = 40,741.19/x - Step 3: Cross multiply
97,690.74x = 146,531.71 × 40,741.19 - Step 4: Simplify right side
97,690.74x = 5,969,876,034.43 - Step 5: Solve for x
x = 5,969,876,034.43/97,690.74 - Step 6: Final answer
x = 61,109.95
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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.