Finding the Fourth Proportional to 76,927.68, 106,119.84 and 66,833.44
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Solution
The fourth proportional to 76,927.68, 106,119.84 and 66,833.44 is: 92,195.08
Step by Step Solution
- Step 1: Write the proportion equation
76,927.68 : 106,119.84 = 66,833.44 : x - Step 2: Convert to fraction form
76,927.68/106,119.84 = 66,833.44/x - Step 3: Cross multiply
76,927.68x = 106,119.84 × 66,833.44 - Step 4: Simplify right side
76,927.68x = 7,092,353,959.45 - Step 5: Solve for x
x = 7,092,353,959.45/76,927.68 - Step 6: Final answer
x = 92,195.08
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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.