Finding the Fourth Proportional to 127,891.08, 176,487.35 and 70,535.70
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Solution
The fourth proportional to 127,891.08, 176,487.35 and 70,535.70 is: 97,337.99
Step by Step Solution
- Step 1: Write the proportion equation
127,891.08 : 176,487.35 = 70,535.70 : x - Step 2: Convert to fraction form
127,891.08/176,487.35 = 70,535.70/x - Step 3: Cross multiply
127,891.08x = 176,487.35 × 70,535.70 - Step 4: Simplify right side
127,891.08x = 12,448,659,971.30 - Step 5: Solve for x
x = 12,448,659,971.30/127,891.08 - Step 6: Final answer
x = 97,337.99
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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.