Finding the Fourth Proportional to 84,341.32, 116,391.14 and 48,530.62
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Solution
The fourth proportional to 84,341.32, 116,391.14 and 48,530.62 is: 66,972.32
Step by Step Solution
- Step 1: Write the proportion equation
84,341.32 : 116,391.14 = 48,530.62 : x - Step 2: Convert to fraction form
84,341.32/116,391.14 = 48,530.62/x - Step 3: Cross multiply
84,341.32x = 116,391.14 × 48,530.62 - Step 4: Simplify right side
84,341.32x = 5,648,534,186.71 - Step 5: Solve for x
x = 5,648,534,186.71/84,341.32 - Step 6: Final answer
x = 66,972.32
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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.