Finding the Fourth Proportional to 84,720.36, 116,915.00 and 46,479.99
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Solution
The fourth proportional to 84,720.36, 116,915.00 and 46,479.99 is: 64,142.88
Step by Step Solution
- Step 1: Write the proportion equation
84,720.36 : 116,915.00 = 46,479.99 : x - Step 2: Convert to fraction form
84,720.36/116,915.00 = 46,479.99/x - Step 3: Cross multiply
84,720.36x = 116,915.00 × 46,479.99 - Step 4: Simplify right side
84,720.36x = 5,434,207,798.45 - Step 5: Solve for x
x = 5,434,207,798.45/84,720.36 - Step 6: Final answer
x = 64,142.88
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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.