Finding the Fourth Proportional to 74,949.84, 103,427.28 and 40,960.08
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Solution
The fourth proportional to 74,949.84, 103,427.28 and 40,960.08 is: 56,523.00
Step by Step Solution
- Step 1: Write the proportion equation
74,949.84 : 103,427.28 = 40,960.08 : x - Step 2: Convert to fraction form
74,949.84/103,427.28 = 40,960.08/x - Step 3: Cross multiply
74,949.84x = 103,427.28 × 40,960.08 - Step 4: Simplify right side
74,949.84x = 4,236,389,662.98 - Step 5: Solve for x
x = 4,236,389,662.98/74,949.84 - Step 6: Final answer
x = 56,523.00
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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.