Finding the Fourth Proportional to 92,130.36, 138,221.46 and 32,974.44
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Solution
The fourth proportional to 92,130.36, 138,221.46 and 32,974.44 is: 49,470.94
Step by Step Solution
- Step 1: Write the proportion equation
92,130.36 : 138,221.46 = 32,974.44 : x - Step 2: Convert to fraction form
92,130.36/138,221.46 = 32,974.44/x - Step 3: Cross multiply
92,130.36x = 138,221.46 × 32,974.44 - Step 4: Simplify right side
92,130.36x = 4,557,775,239.48 - Step 5: Solve for x
x = 4,557,775,239.48/92,130.36 - Step 6: Final answer
x = 49,470.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.