Finding the Fourth Proportional to 74,615.24, 102,938.18 and 44,394.52
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Solution
The fourth proportional to 74,615.24, 102,938.18 and 44,394.52 is: 61,246.08
Step by Step Solution
- Step 1: Write the proportion equation
74,615.24 : 102,938.18 = 44,394.52 : x - Step 2: Convert to fraction form
74,615.24/102,938.18 = 44,394.52/x - Step 3: Cross multiply
74,615.24x = 102,938.18 × 44,394.52 - Step 4: Simplify right side
74,615.24x = 4,569,891,090.77 - Step 5: Solve for x
x = 4,569,891,090.77/74,615.24 - Step 6: Final answer
x = 61,246.08
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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.