Finding the Fourth Proportional to 74,334.05, 102,666.14 and 48,953.87
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Solution
The fourth proportional to 74,334.05, 102,666.14 and 48,953.87 is: 67,612.42
Step by Step Solution
- Step 1: Write the proportion equation
74,334.05 : 102,666.14 = 48,953.87 : x - Step 2: Convert to fraction form
74,334.05/102,666.14 = 48,953.87/x - Step 3: Cross multiply
74,334.05x = 102,666.14 × 48,953.87 - Step 4: Simplify right side
74,334.05x = 5,025,904,870.96 - Step 5: Solve for x
x = 5,025,904,870.96/74,334.05 - Step 6: Final answer
x = 67,612.42
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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.