Finding the Fourth Proportional to 75,640.36, 113,335.44 and 45,968.08
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Solution
The fourth proportional to 75,640.36, 113,335.44 and 45,968.08 is: 68,876.09
Step by Step Solution
- Step 1: Write the proportion equation
75,640.36 : 113,335.44 = 45,968.08 : x - Step 2: Convert to fraction form
75,640.36/113,335.44 = 45,968.08/x - Step 3: Cross multiply
75,640.36x = 113,335.44 × 45,968.08 - Step 4: Simplify right side
75,640.36x = 5,209,812,572.76 - Step 5: Solve for x
x = 5,209,812,572.76/75,640.36 - Step 6: Final answer
x = 68,876.09
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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.