Finding the Fourth Proportional to 84,102.20, 116,061.36 and 46,376.18
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Solution
The fourth proportional to 84,102.20, 116,061.36 and 46,376.18 is: 63,999.31
Step by Step Solution
- Step 1: Write the proportion equation
84,102.20 : 116,061.36 = 46,376.18 : x - Step 2: Convert to fraction form
84,102.20/116,061.36 = 46,376.18/x - Step 3: Cross multiply
84,102.20x = 116,061.36 × 46,376.18 - Step 4: Simplify right side
84,102.20x = 5,382,482,522.40 - Step 5: Solve for x
x = 5,382,482,522.40/84,102.20 - Step 6: Final answer
x = 63,999.31
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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.