Finding the Fourth Proportional to 94,603.62, 141,905.99 and 28,044.31
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Solution
The fourth proportional to 94,603.62, 141,905.99 and 28,044.31 is: 42,066.63
Step by Step Solution
- Step 1: Write the proportion equation
94,603.62 : 141,905.99 = 28,044.31 : x - Step 2: Convert to fraction form
94,603.62/141,905.99 = 28,044.31/x - Step 3: Cross multiply
94,603.62x = 141,905.99 × 28,044.31 - Step 4: Simplify right side
94,603.62x = 3,979,655,574.42 - Step 5: Solve for x
x = 3,979,655,574.42/94,603.62 - Step 6: Final answer
x = 42,066.63
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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.