Finding the Fourth Proportional to 127,041.87, 175,316.58 and 69,680.02
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Solution
The fourth proportional to 127,041.87, 175,316.58 and 69,680.02 is: 96,157.78
Step by Step Solution
- Step 1: Write the proportion equation
127,041.87 : 175,316.58 = 69,680.02 : x - Step 2: Convert to fraction form
127,041.87/175,316.58 = 69,680.02/x - Step 3: Cross multiply
127,041.87x = 175,316.58 × 69,680.02 - Step 4: Simplify right side
127,041.87x = 12,216,063,413.22 - Step 5: Solve for x
x = 12,216,063,413.22/127,041.87 - Step 6: Final answer
x = 96,157.78
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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.