Finding the Fourth Proportional to 84,320.19, 116,366.36 and 48,515.66
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Solution
The fourth proportional to 84,320.19, 116,366.36 and 48,515.66 is: 66,954.20
Step by Step Solution
- Step 1: Write the proportion equation
84,320.19 : 116,366.36 = 48,515.66 : x - Step 2: Convert to fraction form
84,320.19/116,366.36 = 48,515.66/x - Step 3: Cross multiply
84,320.19x = 116,366.36 × 48,515.66 - Step 4: Simplify right side
84,320.19x = 5,645,590,442.11 - Step 5: Solve for x
x = 5,645,590,442.11/84,320.19 - Step 6: Final answer
x = 66,954.20
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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.