Finding the Fourth Proportional to 127,170.45, 175,497.35 and 69,815.07
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Solution
The fourth proportional to 127,170.45, 175,497.35 and 69,815.07 is: 96,345.96
Step by Step Solution
- Step 1: Write the proportion equation
127,170.45 : 175,497.35 = 69,815.07 : x - Step 2: Convert to fraction form
127,170.45/175,497.35 = 69,815.07/x - Step 3: Cross multiply
127,170.45x = 175,497.35 × 69,815.07 - Step 4: Simplify right side
127,170.45x = 12,252,359,425.99 - Step 5: Solve for x
x = 12,252,359,425.99/127,170.45 - Step 6: Final answer
x = 96,345.96
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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.