Finding the Fourth Proportional to 68,356.52, 94,331.88 and 38,140
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Solution
The fourth proportional to 68,356.52, 94,331.88 and 38,140 is: 52,633.13
Step by Step Solution
- Step 1: Write the proportion equation
68,356.52 : 94,331.88 = 38,140 : x - Step 2: Convert to fraction form
68,356.52/94,331.88 = 38,140/x - Step 3: Cross multiply
68,356.52x = 94,331.88 × 38,140 - Step 4: Simplify right side
68,356.52x = 3,597,817,903.20 - Step 5: Solve for x
x = 3,597,817,903.20/68,356.52 - Step 6: Final answer
x = 52,633.13
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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.