Finding the Fourth Proportional to 66,979.53, 100,399.14 and 22,590.99
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Solution
The fourth proportional to 66,979.53, 100,399.14 and 22,590.99 is: 33,862.82
Step by Step Solution
- Step 1: Write the proportion equation
66,979.53 : 100,399.14 = 22,590.99 : x - Step 2: Convert to fraction form
66,979.53/100,399.14 = 22,590.99/x - Step 3: Cross multiply
66,979.53x = 100,399.14 × 22,590.99 - Step 4: Simplify right side
66,979.53x = 2,268,115,967.75 - Step 5: Solve for x
x = 2,268,115,967.75/66,979.53 - Step 6: Final answer
x = 33,862.82
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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.