Finding the Fourth Proportional to 102,329.20, 141,142.08 and 59,896.18
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Solution
The fourth proportional to 102,329.20, 141,142.08 and 59,896.18 is: 82,614.46
Step by Step Solution
- Step 1: Write the proportion equation
102,329.20 : 141,142.08 = 59,896.18 : x - Step 2: Convert to fraction form
102,329.20/141,142.08 = 59,896.18/x - Step 3: Cross multiply
102,329.20x = 141,142.08 × 59,896.18 - Step 4: Simplify right side
102,329.20x = 8,453,871,429.25 - Step 5: Solve for x
x = 8,453,871,429.25/102,329.20 - Step 6: Final answer
x = 82,614.46
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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.