Finding the Fourth Proportional to 88,135.96, 132,175.84 and 28,957.92
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Solution
The fourth proportional to 88,135.96, 132,175.84 and 28,957.92 is: 43,427.65
Step by Step Solution
- Step 1: Write the proportion equation
88,135.96 : 132,175.84 = 28,957.92 : x - Step 2: Convert to fraction form
88,135.96/132,175.84 = 28,957.92/x - Step 3: Cross multiply
88,135.96x = 132,175.84 × 28,957.92 - Step 4: Simplify right side
88,135.96x = 3,827,537,400.65 - Step 5: Solve for x
x = 3,827,537,400.65/88,135.96 - Step 6: Final answer
x = 43,427.65
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1.5x scale
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.