Finding the Fourth Proportional to 92,053.18, 127,116.57 and 58,121.74
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Solution
The fourth proportional to 92,053.18, 127,116.57 and 58,121.74 is: 80,260.52
Step by Step Solution
- Step 1: Write the proportion equation
92,053.18 : 127,116.57 = 58,121.74 : x - Step 2: Convert to fraction form
92,053.18/127,116.57 = 58,121.74/x - Step 3: Cross multiply
92,053.18x = 127,116.57 × 58,121.74 - Step 4: Simplify right side
92,053.18x = 7,388,236,231.23 - Step 5: Solve for x
x = 7,388,236,231.23/92,053.18 - Step 6: Final answer
x = 80,260.52
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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.