Finding the Fourth Proportional to 74,405.08, 102,676.98 and 40,871.08
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Solution
The fourth proportional to 74,405.08, 102,676.98 and 40,871.08 is: 56,400.98
Step by Step Solution
- Step 1: Write the proportion equation
74,405.08 : 102,676.98 = 40,871.08 : x - Step 2: Convert to fraction form
74,405.08/102,676.98 = 40,871.08/x - Step 3: Cross multiply
74,405.08x = 102,676.98 × 40,871.08 - Step 4: Simplify right side
74,405.08x = 4,196,519,063.74 - Step 5: Solve for x
x = 4,196,519,063.74/74,405.08 - Step 6: Final answer
x = 56,400.98
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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.