Finding the Fourth Proportional to 68,652.74, 102,976.04 and 18,732.68
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Solution
The fourth proportional to 68,652.74, 102,976.04 and 18,732.68 is: 28,098.18
Step by Step Solution
- Step 1: Write the proportion equation
68,652.74 : 102,976.04 = 18,732.68 : x - Step 2: Convert to fraction form
68,652.74/102,976.04 = 18,732.68/x - Step 3: Cross multiply
68,652.74x = 102,976.04 × 18,732.68 - Step 4: Simplify right side
68,652.74x = 1,929,017,123.10 - Step 5: Solve for x
x = 1,929,017,123.10/68,652.74 - Step 6: Final answer
x = 28,098.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.