Finding the Fourth Proportional to 127,623.92, 176,117.99 and 71,034.08
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Solution
The fourth proportional to 127,623.92, 176,117.99 and 71,034.08 is: 98,025.34
Step by Step Solution
- Step 1: Write the proportion equation
127,623.92 : 176,117.99 = 71,034.08 : x - Step 2: Convert to fraction form
127,623.92/176,117.99 = 71,034.08/x - Step 3: Cross multiply
127,623.92x = 176,117.99 × 71,034.08 - Step 4: Simplify right side
127,623.92x = 12,510,378,155.34 - Step 5: Solve for x
x = 12,510,378,155.34/127,623.92 - Step 6: Final answer
x = 98,025.34
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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.