Finding the Fourth Proportional to 75,979.80, 113,805.68 and 62,857.80
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Solution
The fourth proportional to 75,979.80, 113,805.68 and 62,857.80 is: 94,151.00
Step by Step Solution
- Step 1: Write the proportion equation
75,979.80 : 113,805.68 = 62,857.80 : x - Step 2: Convert to fraction form
75,979.80/113,805.68 = 62,857.80/x - Step 3: Cross multiply
75,979.80x = 113,805.68 × 62,857.80 - Step 4: Simplify right side
75,979.80x = 7,153,574,358.02 - Step 5: Solve for x
x = 7,153,574,358.02/75,979.80 - Step 6: Final answer
x = 94,151.00
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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.