Finding the Fourth Proportional to 94,120.16, 129,890.64 and 58,329.44
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Solution
The fourth proportional to 94,120.16, 129,890.64 and 58,329.44 is: 80,497.61
Step by Step Solution
- Step 1: Write the proportion equation
94,120.16 : 129,890.64 = 58,329.44 : x - Step 2: Convert to fraction form
94,120.16/129,890.64 = 58,329.44/x - Step 3: Cross multiply
94,120.16x = 129,890.64 × 58,329.44 - Step 4: Simplify right side
94,120.16x = 7,576,448,292.44 - Step 5: Solve for x
x = 7,576,448,292.44/94,120.16 - Step 6: Final answer
x = 80,497.61
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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.