Finding the Fourth Proportional to 75,097.92, 112,646.88 and 30,118.08
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Solution
The fourth proportional to 75,097.92, 112,646.88 and 30,118.08 is: 45,177.12
Step by Step Solution
- Step 1: Write the proportion equation
75,097.92 : 112,646.88 = 30,118.08 : x - Step 2: Convert to fraction form
75,097.92/112,646.88 = 30,118.08/x - Step 3: Cross multiply
75,097.92x = 112,646.88 × 30,118.08 - Step 4: Simplify right side
75,097.92x = 3,392,707,743.59 - Step 5: Solve for x
x = 3,392,707,743.59/75,097.92 - Step 6: Final answer
x = 45,177.12
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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.