Finding the Fourth Proportional to 74,946.34, 103,425.87 and 41,412.34
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Solution
The fourth proportional to 74,946.34, 103,425.87 and 41,412.34 is: 57,148.99
Step by Step Solution
- Step 1: Write the proportion equation
74,946.34 : 103,425.87 = 41,412.34 : x - Step 2: Convert to fraction form
74,946.34/103,425.87 = 41,412.34/x - Step 3: Cross multiply
74,946.34x = 103,425.87 × 41,412.34 - Step 4: Simplify right side
74,946.34x = 4,283,107,293.24 - Step 5: Solve for x
x = 4,283,107,293.24/74,946.34 - Step 6: Final answer
x = 57,148.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.