Finding the Fourth Proportional to 68,365.44, 102,555.48 and 28,926.54
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Solution
The fourth proportional to 68,365.44, 102,555.48 and 28,926.54 is: 43,392.91
Step by Step Solution
- Step 1: Write the proportion equation
68,365.44 : 102,555.48 = 28,926.54 : x - Step 2: Convert to fraction form
68,365.44/102,555.48 = 28,926.54/x - Step 3: Cross multiply
68,365.44x = 102,555.48 × 28,926.54 - Step 4: Simplify right side
68,365.44x = 2,966,575,194.44 - Step 5: Solve for x
x = 2,966,575,194.44/68,365.44 - Step 6: Final answer
x = 43,392.91
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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.