Finding the Fourth Proportional to 124,286.08, 171,515.28 and 67,696.96
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Solution
The fourth proportional to 124,286.08, 171,515.28 and 67,696.96 is: 93,422.07
Step by Step Solution
- Step 1: Write the proportion equation
124,286.08 : 171,515.28 = 67,696.96 : x - Step 2: Convert to fraction form
124,286.08/171,515.28 = 67,696.96/x - Step 3: Cross multiply
124,286.08x = 171,515.28 × 67,696.96 - Step 4: Simplify right side
124,286.08x = 11,611,063,049.55 - Step 5: Solve for x
x = 11,611,063,049.55/124,286.08 - Step 6: Final answer
x = 93,422.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.