Finding the Fourth Proportional to 68,965.66, 103,440.70 and 19,052.88
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Solution
The fourth proportional to 68,965.66, 103,440.70 and 19,052.88 is: 28,577.17
Step by Step Solution
- Step 1: Write the proportion equation
68,965.66 : 103,440.70 = 19,052.88 : x - Step 2: Convert to fraction form
68,965.66/103,440.70 = 19,052.88/x - Step 3: Cross multiply
68,965.66x = 103,440.70 × 19,052.88 - Step 4: Simplify right side
68,965.66x = 1,970,843,244.22 - Step 5: Solve for x
x = 1,970,843,244.22/68,965.66 - Step 6: Final answer
x = 28,577.17
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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.