Finding the Fourth Proportional to 74,619.26, 102,972.18 and 44,397.64
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Solution
The fourth proportional to 74,619.26, 102,972.18 and 44,397.64 is: 61,267.32
Step by Step Solution
- Step 1: Write the proportion equation
74,619.26 : 102,972.18 = 44,397.64 : x - Step 2: Convert to fraction form
74,619.26/102,972.18 = 44,397.64/x - Step 3: Cross multiply
74,619.26x = 102,972.18 × 44,397.64 - Step 4: Simplify right side
74,619.26x = 4,571,721,777.66 - Step 5: Solve for x
x = 4,571,721,777.66/74,619.26 - Step 6: Final answer
x = 61,267.32
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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.