Finding the Fourth Proportional to 70,972.48, 106,283.76 and 44,611.84
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Solution
The fourth proportional to 70,972.48, 106,283.76 and 44,611.84 is: 66,807.78
Step by Step Solution
- Step 1: Write the proportion equation
70,972.48 : 106,283.76 = 44,611.84 : x - Step 2: Convert to fraction form
70,972.48/106,283.76 = 44,611.84/x - Step 3: Cross multiply
70,972.48x = 106,283.76 × 44,611.84 - Step 4: Simplify right side
70,972.48x = 4,741,514,095.72 - Step 5: Solve for x
x = 4,741,514,095.72/70,972.48 - Step 6: Final answer
x = 66,807.78
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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.