Finding the Fourth Proportional to 84,211.84, 116,223.42 and 58,701.70
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Solution
The fourth proportional to 84,211.84, 116,223.42 and 58,701.70 is: 81,016.07
Step by Step Solution
- Step 1: Write the proportion equation
84,211.84 : 116,223.42 = 58,701.70 : x - Step 2: Convert to fraction form
84,211.84/116,223.42 = 58,701.70/x - Step 3: Cross multiply
84,211.84x = 116,223.42 × 58,701.70 - Step 4: Simplify right side
84,211.84x = 6,822,512,333.81 - Step 5: Solve for x
x = 6,822,512,333.81/84,211.84 - Step 6: Final answer
x = 81,016.07
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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.