Finding the Fourth Proportional to 74,056.09, 102,197.23 and 40,522.09
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Solution
The fourth proportional to 74,056.09, 102,197.23 and 40,522.09 is: 55,920.39
Step by Step Solution
- Step 1: Write the proportion equation
74,056.09 : 102,197.23 = 40,522.09 : x - Step 2: Convert to fraction form
74,056.09/102,197.23 = 40,522.09/x - Step 3: Cross multiply
74,056.09x = 102,197.23 × 40,522.09 - Step 4: Simplify right side
74,056.09x = 4,141,245,351.81 - Step 5: Solve for x
x = 4,141,245,351.81/74,056.09 - Step 6: Final answer
x = 55,920.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.