Finding the Fourth Proportional to 127,298.66, 175,672.26 and 69,941.68
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Solution
The fourth proportional to 127,298.66, 175,672.26 and 69,941.68 is: 96,519.58
Step by Step Solution
- Step 1: Write the proportion equation
127,298.66 : 175,672.26 = 69,941.68 : x - Step 2: Convert to fraction form
127,298.66/175,672.26 = 69,941.68/x - Step 3: Cross multiply
127,298.66x = 175,672.26 × 69,941.68 - Step 4: Simplify right side
127,298.66x = 12,286,813,371.23 - Step 5: Solve for x
x = 12,286,813,371.23/127,298.66 - Step 6: Final answer
x = 96,519.58
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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.