Finding the Fourth Proportional to 86,124.97, 129,179.10 and 26,153.96
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Solution
The fourth proportional to 86,124.97, 129,179.10 and 26,153.96 is: 39,228.40
Step by Step Solution
- Step 1: Write the proportion equation
86,124.97 : 129,179.10 = 26,153.96 : x - Step 2: Convert to fraction form
86,124.97/129,179.10 = 26,153.96/x - Step 3: Cross multiply
86,124.97x = 129,179.10 × 26,153.96 - Step 4: Simplify right side
86,124.97x = 3,378,545,014.24 - Step 5: Solve for x
x = 3,378,545,014.24/86,124.97 - Step 6: Final answer
x = 39,228.40
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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.