Finding the Fourth Proportional to 84,294.09, 116,329.18 and 48,484.03
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Solution
The fourth proportional to 84,294.09, 116,329.18 and 48,484.03 is: 66,909.88
Step by Step Solution
- Step 1: Write the proportion equation
84,294.09 : 116,329.18 = 48,484.03 : x - Step 2: Convert to fraction form
84,294.09/116,329.18 = 48,484.03/x - Step 3: Cross multiply
84,294.09x = 116,329.18 × 48,484.03 - Step 4: Simplify right side
84,294.09x = 5,640,107,210.58 - Step 5: Solve for x
x = 5,640,107,210.58/84,294.09 - Step 6: Final answer
x = 66,909.88
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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.