Finding the Fourth Proportional to 84,211.60, 116,210.28 and 48,400.68
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Solution
The fourth proportional to 84,211.60, 116,210.28 and 48,400.68 is: 66,791.95
Step by Step Solution
- Step 1: Write the proportion equation
84,211.60 : 116,210.28 = 48,400.68 : x - Step 2: Convert to fraction form
84,211.60/116,210.28 = 48,400.68/x - Step 3: Cross multiply
84,211.60x = 116,210.28 × 48,400.68 - Step 4: Simplify right side
84,211.60x = 5,624,656,574.99 - Step 5: Solve for x
x = 5,624,656,574.99/84,211.60 - Step 6: Final answer
x = 66,791.95
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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.