Finding the Fourth Proportional to 106,035.42, 146,329.04 and 58,289.06
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Solution
The fourth proportional to 106,035.42, 146,329.04 and 58,289.06 is: 80,438.99
Step by Step Solution
- Step 1: Write the proportion equation
106,035.42 : 146,329.04 = 58,289.06 : x - Step 2: Convert to fraction form
106,035.42/146,329.04 = 58,289.06/x - Step 3: Cross multiply
106,035.42x = 146,329.04 × 58,289.06 - Step 4: Simplify right side
106,035.42x = 8,529,382,192.30 - Step 5: Solve for x
x = 8,529,382,192.30/106,035.42 - Step 6: Final answer
x = 80,438.99
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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.