Finding the Fourth Proportional to 75,296.16, 112,996.08 and 28,549.44
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Solution
The fourth proportional to 75,296.16, 112,996.08 and 28,549.44 is: 42,843.82
Step by Step Solution
- Step 1: Write the proportion equation
75,296.16 : 112,996.08 = 28,549.44 : x - Step 2: Convert to fraction form
75,296.16/112,996.08 = 28,549.44/x - Step 3: Cross multiply
75,296.16x = 112,996.08 × 28,549.44 - Step 4: Simplify right side
75,296.16x = 3,225,974,806.20 - Step 5: Solve for x
x = 3,225,974,806.20/75,296.16 - Step 6: Final answer
x = 42,843.82
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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.