Finding the Fourth Proportional to 88,551.63, 132,826.99 and 21,991.75
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Solution
The fourth proportional to 88,551.63, 132,826.99 and 21,991.75 is: 32,987.52
Step by Step Solution
- Step 1: Write the proportion equation
88,551.63 : 132,826.99 = 21,991.75 : x - Step 2: Convert to fraction form
88,551.63/132,826.99 = 21,991.75/x - Step 3: Cross multiply
88,551.63x = 132,826.99 × 21,991.75 - Step 4: Simplify right side
88,551.63x = 2,921,098,358.67 - Step 5: Solve for x
x = 2,921,098,358.67/88,551.63 - Step 6: Final answer
x = 32,987.52
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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.