Finding the Fourth Proportional to 68,664.11, 102,980.03 and 38,691.41
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Solution
The fourth proportional to 68,664.11, 102,980.03 and 38,691.41 is: 58,028.02
Step by Step Solution
- Step 1: Write the proportion equation
68,664.11 : 102,980.03 = 38,691.41 : x - Step 2: Convert to fraction form
68,664.11/102,980.03 = 38,691.41/x - Step 3: Cross multiply
68,664.11x = 102,980.03 × 38,691.41 - Step 4: Simplify right side
68,664.11x = 3,984,441,854.19 - Step 5: Solve for x
x = 3,984,441,854.19/68,664.11 - Step 6: Final answer
x = 58,028.02
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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.