Finding the Fourth Proportional to 127,312.03, 175,680.12 and 69,948.44
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Solution
The fourth proportional to 127,312.03, 175,680.12 and 69,948.44 is: 96,523.09
Step by Step Solution
- Step 1: Write the proportion equation
127,312.03 : 175,680.12 = 69,948.44 : x - Step 2: Convert to fraction form
127,312.03/175,680.12 = 69,948.44/x - Step 3: Cross multiply
127,312.03x = 175,680.12 × 69,948.44 - Step 4: Simplify right side
127,312.03x = 12,288,550,333.01 - Step 5: Solve for x
x = 12,288,550,333.01/127,312.03 - Step 6: Final answer
x = 96,523.09
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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.