Finding the Fourth Proportional to 75,696.08, 113,544.12 and 28,963.28
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Solution
The fourth proportional to 75,696.08, 113,544.12 and 28,963.28 is: 43,444.92
Step by Step Solution
- Step 1: Write the proportion equation
75,696.08 : 113,544.12 = 28,963.28 : x - Step 2: Convert to fraction form
75,696.08/113,544.12 = 28,963.28/x - Step 3: Cross multiply
75,696.08x = 113,544.12 × 28,963.28 - Step 4: Simplify right side
75,696.08x = 3,288,610,139.91 - Step 5: Solve for x
x = 3,288,610,139.91/75,696.08 - Step 6: Final answer
x = 43,444.92
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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.