Finding the Fourth Proportional to 68,929.71, 103,338.06 and 24,531.18
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Solution
The fourth proportional to 68,929.71, 103,338.06 and 24,531.18 is: 36,776.66
Step by Step Solution
- Step 1: Write the proportion equation
68,929.71 : 103,338.06 = 24,531.18 : x - Step 2: Convert to fraction form
68,929.71/103,338.06 = 24,531.18/x - Step 3: Cross multiply
68,929.71x = 103,338.06 × 24,531.18 - Step 4: Simplify right side
68,929.71x = 2,535,004,489.38 - Step 5: Solve for x
x = 2,535,004,489.38/68,929.71 - Step 6: Final answer
x = 36,776.66
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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.