Finding the Fourth Proportional to 92,342.09, 138,502.74 and 24,879.11
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Solution
The fourth proportional to 92,342.09, 138,502.74 and 24,879.11 is: 37,315.86
Step by Step Solution
- Step 1: Write the proportion equation
92,342.09 : 138,502.74 = 24,879.11 : x - Step 2: Convert to fraction form
92,342.09/138,502.74 = 24,879.11/x - Step 3: Cross multiply
92,342.09x = 138,502.74 × 24,879.11 - Step 4: Simplify right side
92,342.09x = 3,445,824,211.25 - Step 5: Solve for x
x = 3,445,824,211.25/92,342.09 - Step 6: Final answer
x = 37,315.86
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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.