Finding the Fourth Proportional to 89,599.50, 134,407.62 and 26,419.68
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Solution
The fourth proportional to 89,599.50, 134,407.62 and 26,419.68 is: 39,631.99
Step by Step Solution
- Step 1: Write the proportion equation
89,599.50 : 134,407.62 = 26,419.68 : x - Step 2: Convert to fraction form
89,599.50/134,407.62 = 26,419.68/x - Step 3: Cross multiply
89,599.50x = 134,407.62 × 26,419.68 - Step 4: Simplify right side
89,599.50x = 3,551,006,309.96 - Step 5: Solve for x
x = 3,551,006,309.96/89,599.50 - Step 6: Final answer
x = 39,631.99
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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.