Finding the Fourth Proportional to 74,057.49, 110,827.89 and 60,574.62
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Solution
The fourth proportional to 74,057.49, 110,827.89 and 60,574.62 is: 90,650.62
Step by Step Solution
- Step 1: Write the proportion equation
74,057.49 : 110,827.89 = 60,574.62 : x - Step 2: Convert to fraction form
74,057.49/110,827.89 = 60,574.62/x - Step 3: Cross multiply
74,057.49x = 110,827.89 × 60,574.62 - Step 4: Simplify right side
74,057.49x = 6,713,357,322.15 - Step 5: Solve for x
x = 6,713,357,322.15/74,057.49 - Step 6: Final answer
x = 90,650.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.