Finding the Fourth Proportional to 84,014.24, 115,942.32 and 46,289.84
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Solution
The fourth proportional to 84,014.24, 115,942.32 and 46,289.84 is: 63,881.45
Step by Step Solution
- Step 1: Write the proportion equation
84,014.24 : 115,942.32 = 46,289.84 : x - Step 2: Convert to fraction form
84,014.24/115,942.32 = 46,289.84/x - Step 3: Cross multiply
84,014.24x = 115,942.32 × 46,289.84 - Step 4: Simplify right side
84,014.24x = 5,366,951,442.03 - Step 5: Solve for x
x = 5,366,951,442.03/84,014.24 - Step 6: Final answer
x = 63,881.45
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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.