Finding the Fourth Proportional to 68,660.71, 103,006.79 and 26,541.14
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Solution
The fourth proportional to 68,660.71, 103,006.79 and 26,541.14 is: 39,817.79
Step by Step Solution
- Step 1: Write the proportion equation
68,660.71 : 103,006.79 = 26,541.14 : x - Step 2: Convert to fraction form
68,660.71/103,006.79 = 26,541.14/x - Step 3: Cross multiply
68,660.71x = 103,006.79 × 26,541.14 - Step 4: Simplify right side
68,660.71x = 2,733,917,955.25 - Step 5: Solve for x
x = 2,733,917,955.25/68,660.71 - Step 6: Final answer
x = 39,817.79
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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.