Finding the Fourth Proportional to 74,184.96, 102,319.40 and 51,523.98
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Solution
The fourth proportional to 74,184.96, 102,319.40 and 51,523.98 is: 71,064.31
Step by Step Solution
- Step 1: Write the proportion equation
74,184.96 : 102,319.40 = 51,523.98 : x - Step 2: Convert to fraction form
74,184.96/102,319.40 = 51,523.98/x - Step 3: Cross multiply
74,184.96x = 102,319.40 × 51,523.98 - Step 4: Simplify right side
74,184.96x = 5,271,902,719.21 - Step 5: Solve for x
x = 5,271,902,719.21/74,184.96 - Step 6: Final answer
x = 71,064.31
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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.