Finding the Fourth Proportional to 104,632.87, 144,442.95 and 66,928.99
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Solution
The fourth proportional to 104,632.87, 144,442.95 and 66,928.99 is: 92,393.73
Step by Step Solution
- Step 1: Write the proportion equation
104,632.87 : 144,442.95 = 66,928.99 : x - Step 2: Convert to fraction form
104,632.87/144,442.95 = 66,928.99/x - Step 3: Cross multiply
104,632.87x = 144,442.95 × 66,928.99 - Step 4: Simplify right side
104,632.87x = 9,667,420,756.12 - Step 5: Solve for x
x = 9,667,420,756.12/104,632.87 - Step 6: Final answer
x = 92,393.73
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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.