Finding the Fourth Proportional to 126,585.08, 174,687.12 and 72,850.52
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Solution
The fourth proportional to 126,585.08, 174,687.12 and 72,850.52 is: 100,533.55
Step by Step Solution
- Step 1: Write the proportion equation
126,585.08 : 174,687.12 = 72,850.52 : x - Step 2: Convert to fraction form
126,585.08/174,687.12 = 72,850.52/x - Step 3: Cross multiply
126,585.08x = 174,687.12 × 72,850.52 - Step 4: Simplify right side
126,585.08x = 12,726,047,529.30 - Step 5: Solve for x
x = 12,726,047,529.30/126,585.08 - Step 6: Final answer
x = 100,533.55
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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.