Finding the Fourth Proportional to 106,336.75, 159,532.80 and 39,782.08
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Solution
The fourth proportional to 106,336.75, 159,532.80 and 39,782.08 is: 59,683.47
Step by Step Solution
- Step 1: Write the proportion equation
106,336.75 : 159,532.80 = 39,782.08 : x - Step 2: Convert to fraction form
106,336.75/159,532.80 = 39,782.08/x - Step 3: Cross multiply
106,336.75x = 159,532.80 × 39,782.08 - Step 4: Simplify right side
106,336.75x = 6,346,546,612.22 - Step 5: Solve for x
x = 6,346,546,612.22/106,336.75 - Step 6: Final answer
x = 59,683.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.