Finding the Fourth Proportional to 127,442.06, 175,879.24 and 70,861.94
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Solution
The fourth proportional to 127,442.06, 175,879.24 and 70,861.94 is: 97,794.59
Step by Step Solution
- Step 1: Write the proportion equation
127,442.06 : 175,879.24 = 70,861.94 : x - Step 2: Convert to fraction form
127,442.06/175,879.24 = 70,861.94/x - Step 3: Cross multiply
127,442.06x = 175,879.24 × 70,861.94 - Step 4: Simplify right side
127,442.06x = 12,463,144,152.13 - Step 5: Solve for x
x = 12,463,144,152.13/127,442.06 - Step 6: Final answer
x = 97,794.59
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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.