Finding the Fourth Proportional to 81,814.99, 112,902.44 and 46,004.08
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Solution
The fourth proportional to 81,814.99, 112,902.44 and 46,004.08 is: 63,484.37
Step by Step Solution
- Step 1: Write the proportion equation
81,814.99 : 112,902.44 = 46,004.08 : x - Step 2: Convert to fraction form
81,814.99/112,902.44 = 46,004.08/x - Step 3: Cross multiply
81,814.99x = 112,902.44 × 46,004.08 - Step 4: Simplify right side
81,814.99x = 5,193,972,881.96 - Step 5: Solve for x
x = 5,193,972,881.96/81,814.99 - Step 6: Final answer
x = 63,484.37
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1.5x scale
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.