Finding the Fourth Proportional to 107,079.03, 160,641.09 and 40,517.70
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Solution
The fourth proportional to 107,079.03, 160,641.09 and 40,517.70 is: 60,785.08
Step by Step Solution
- Step 1: Write the proportion equation
107,079.03 : 160,641.09 = 40,517.70 : x - Step 2: Convert to fraction form
107,079.03/160,641.09 = 40,517.70/x - Step 3: Cross multiply
107,079.03x = 160,641.09 × 40,517.70 - Step 4: Simplify right side
107,079.03x = 6,508,807,492.29 - Step 5: Solve for x
x = 6,508,807,492.29/107,079.03 - Step 6: Final answer
x = 60,785.08
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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.