Finding the Fourth Proportional to 84,363.12, 116,416.56 and 46,635.12
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Solution
The fourth proportional to 84,363.12, 116,416.56 and 46,635.12 is: 64,353.95
Step by Step Solution
- Step 1: Write the proportion equation
84,363.12 : 116,416.56 = 46,635.12 : x - Step 2: Convert to fraction form
84,363.12/116,416.56 = 46,635.12/x - Step 3: Cross multiply
84,363.12x = 116,416.56 × 46,635.12 - Step 4: Simplify right side
84,363.12x = 5,429,100,245.59 - Step 5: Solve for x
x = 5,429,100,245.59/84,363.12 - Step 6: Final answer
x = 64,353.95
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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.