Finding the Fourth Proportional to 74,949.96, 112,411.98 and 25,701.96
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Solution
The fourth proportional to 74,949.96, 112,411.98 and 25,701.96 is: 38,548.50
Step by Step Solution
- Step 1: Write the proportion equation
74,949.96 : 112,411.98 = 25,701.96 : x - Step 2: Convert to fraction form
74,949.96/112,411.98 = 25,701.96/x - Step 3: Cross multiply
74,949.96x = 112,411.98 × 25,701.96 - Step 4: Simplify right side
74,949.96x = 2,889,208,213.48 - Step 5: Solve for x
x = 2,889,208,213.48/74,949.96 - Step 6: Final answer
x = 38,548.50
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1.5x scale
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.