Finding the Fourth Proportional to 109,615.70, 164,596.35 and 62,959.70
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Solution
The fourth proportional to 109,615.70, 164,596.35 and 62,959.70 is: 94,538.80
Step by Step Solution
- Step 1: Write the proportion equation
109,615.70 : 164,596.35 = 62,959.70 : x - Step 2: Convert to fraction form
109,615.70/164,596.35 = 62,959.70/x - Step 3: Cross multiply
109,615.70x = 164,596.35 × 62,959.70 - Step 4: Simplify right side
109,615.70x = 10,362,936,817.10 - Step 5: Solve for x
x = 10,362,936,817.10/109,615.70 - Step 6: Final answer
x = 94,538.80
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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.