Finding the Fourth Proportional to 91,266.93, 125,944.61 and 50,980.50
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Solution
The fourth proportional to 91,266.93, 125,944.61 and 50,980.50 is: 70,350.99
Step by Step Solution
- Step 1: Write the proportion equation
91,266.93 : 125,944.61 = 50,980.50 : x - Step 2: Convert to fraction form
91,266.93/125,944.61 = 50,980.50/x - Step 3: Cross multiply
91,266.93x = 125,944.61 × 50,980.50 - Step 4: Simplify right side
91,266.93x = 6,420,718,935.20 - Step 5: Solve for x
x = 6,420,718,935.20/91,266.93 - Step 6: Final answer
x = 70,350.99
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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.