Finding the Fourth Proportional to 85,678.83, 118,238.36 and 47,952.99
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Solution
The fourth proportional to 85,678.83, 118,238.36 and 47,952.99 is: 66,176.00
Step by Step Solution
- Step 1: Write the proportion equation
85,678.83 : 118,238.36 = 47,952.99 : x - Step 2: Convert to fraction form
85,678.83/118,238.36 = 47,952.99/x - Step 3: Cross multiply
85,678.83x = 118,238.36 × 47,952.99 - Step 4: Simplify right side
85,678.83x = 5,669,882,654.93 - Step 5: Solve for x
x = 5,669,882,654.93/85,678.83 - Step 6: Final answer
x = 66,176.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.