Finding the Fourth Proportional to 74,146.08, 102,292.56 and 47,281.44
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Solution
The fourth proportional to 74,146.08, 102,292.56 and 47,281.44 is: 65,229.88
Step by Step Solution
- Step 1: Write the proportion equation
74,146.08 : 102,292.56 = 47,281.44 : x - Step 2: Convert to fraction form
74,146.08/102,292.56 = 47,281.44/x - Step 3: Cross multiply
74,146.08x = 102,292.56 × 47,281.44 - Step 4: Simplify right side
74,146.08x = 4,836,539,538.09 - Step 5: Solve for x
x = 4,836,539,538.09/74,146.08 - Step 6: Final answer
x = 65,229.88
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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.