Finding the Fourth Proportional to 84,376.80, 116,435.70 and 46,643.76
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Solution
The fourth proportional to 84,376.80, 116,435.70 and 46,643.76 is: 64,366.02
Step by Step Solution
- Step 1: Write the proportion equation
84,376.80 : 116,435.70 = 46,643.76 : x - Step 2: Convert to fraction form
84,376.80/116,435.70 = 46,643.76/x - Step 3: Cross multiply
84,376.80x = 116,435.70 × 46,643.76 - Step 4: Simplify right side
84,376.80x = 5,430,998,846.23 - Step 5: Solve for x
x = 5,430,998,846.23/84,376.80 - Step 6: Final answer
x = 64,366.02
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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.