Finding the Fourth Proportional to 74,104.26, 102,263.88 and 40,570.26
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Solution
The fourth proportional to 74,104.26, 102,263.88 and 40,570.26 is: 55,986.96
Step by Step Solution
- Step 1: Write the proportion equation
74,104.26 : 102,263.88 = 40,570.26 : x - Step 2: Convert to fraction form
74,104.26/102,263.88 = 40,570.26/x - Step 3: Cross multiply
74,104.26x = 102,263.88 × 40,570.26 - Step 4: Simplify right side
74,104.26x = 4,148,872,200.21 - Step 5: Solve for x
x = 4,148,872,200.21/74,104.26 - Step 6: Final answer
x = 55,986.96
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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.