Finding the Fourth Proportional to 83,585.20, 125,376.48 and 33,664.12
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Solution
The fourth proportional to 83,585.20, 125,376.48 and 33,664.12 is: 50,495.65
Step by Step Solution
- Step 1: Write the proportion equation
83,585.20 : 125,376.48 = 33,664.12 : x - Step 2: Convert to fraction form
83,585.20/125,376.48 = 33,664.12/x - Step 3: Cross multiply
83,585.20x = 125,376.48 × 33,664.12 - Step 4: Simplify right side
83,585.20x = 4,220,688,867.90 - Step 5: Solve for x
x = 4,220,688,867.90/83,585.20 - Step 6: Final answer
x = 50,495.65
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1.5x scale
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.