Finding the Fourth Proportional to 127,944.96, 176,572.80 and 71,355.84
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Solution
The fourth proportional to 127,944.96, 176,572.80 and 71,355.84 is: 98,475.94
Step by Step Solution
- Step 1: Write the proportion equation
127,944.96 : 176,572.80 = 71,355.84 : x - Step 2: Convert to fraction form
127,944.96/176,572.80 = 71,355.84/x - Step 3: Cross multiply
127,944.96x = 176,572.80 × 71,355.84 - Step 4: Simplify right side
127,944.96x = 12,599,500,465.15 - Step 5: Solve for x
x = 12,599,500,465.15/127,944.96 - Step 6: Final answer
x = 98,475.94
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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.