Finding the Fourth Proportional to 84,562.25, 116,691.36 and 46,319.81
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Solution
The fourth proportional to 84,562.25, 116,691.36 and 46,319.81 is: 63,918.85
Step by Step Solution
- Step 1: Write the proportion equation
84,562.25 : 116,691.36 = 46,319.81 : x - Step 2: Convert to fraction form
84,562.25/116,691.36 = 46,319.81/x - Step 3: Cross multiply
84,562.25x = 116,691.36 × 46,319.81 - Step 4: Simplify right side
84,562.25x = 5,405,121,040.38 - Step 5: Solve for x
x = 5,405,121,040.38/84,562.25 - Step 6: Final answer
x = 63,918.85
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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.