Finding the Fourth Proportional to 93,201.18, 128,619.09 and 50,759.67
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Solution
The fourth proportional to 93,201.18, 128,619.09 and 50,759.67 is: 70,049.15
Step by Step Solution
- Step 1: Write the proportion equation
93,201.18 : 128,619.09 = 50,759.67 : x - Step 2: Convert to fraction form
93,201.18/128,619.09 = 50,759.67/x - Step 3: Cross multiply
93,201.18x = 128,619.09 × 50,759.67 - Step 4: Simplify right side
93,201.18x = 6,528,662,758.75 - Step 5: Solve for x
x = 6,528,662,758.75/93,201.18 - Step 6: Final answer
x = 70,049.15
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1.5x scale
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.