Finding the Fourth Proportional to 74,330.50, 102,576.09 and 40,798.66
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Solution
The fourth proportional to 74,330.50, 102,576.09 and 40,798.66 is: 56,302.15
Step by Step Solution
- Step 1: Write the proportion equation
74,330.50 : 102,576.09 = 40,798.66 : x - Step 2: Convert to fraction form
74,330.50/102,576.09 = 40,798.66/x - Step 3: Cross multiply
74,330.50x = 102,576.09 × 40,798.66 - Step 4: Simplify right side
74,330.50x = 4,184,967,020.04 - Step 5: Solve for x
x = 4,184,967,020.04/74,330.50 - Step 6: Final answer
x = 56,302.15
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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.