Finding the Fourth Proportional to 88,135.65, 132,175.44 and 28,957.68
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Solution
The fourth proportional to 88,135.65, 132,175.44 and 28,957.68 is: 43,427.31
Step by Step Solution
- Step 1: Write the proportion equation
88,135.65 : 132,175.44 = 28,957.68 : x - Step 2: Convert to fraction form
88,135.65/132,175.44 = 28,957.68/x - Step 3: Cross multiply
88,135.65x = 132,175.44 × 28,957.68 - Step 4: Simplify right side
88,135.65x = 3,827,494,095.38 - Step 5: Solve for x
x = 3,827,494,095.38/88,135.65 - Step 6: Final answer
x = 43,427.31
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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.