Finding the Fourth Proportional to 88,135.29, 132,202.71 and 31,975.29
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Solution
The fourth proportional to 88,135.29, 132,202.71 and 31,975.29 is: 47,962.85
Step by Step Solution
- Step 1: Write the proportion equation
88,135.29 : 132,202.71 = 31,975.29 : x - Step 2: Convert to fraction form
88,135.29/132,202.71 = 31,975.29/x - Step 3: Cross multiply
88,135.29x = 132,202.71 × 31,975.29 - Step 4: Simplify right side
88,135.29x = 4,227,219,991.04 - Step 5: Solve for x
x = 4,227,219,991.04/88,135.29 - Step 6: Final answer
x = 47,962.85
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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.