Finding the Fourth Proportional to 92,279.25, 138,432.24 and 29,077.99
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Solution
The fourth proportional to 92,279.25, 138,432.24 and 29,077.99 is: 43,621.19
Step by Step Solution
- Step 1: Write the proportion equation
92,279.25 : 138,432.24 = 29,077.99 : x - Step 2: Convert to fraction form
92,279.25/138,432.24 = 29,077.99/x - Step 3: Cross multiply
92,279.25x = 138,432.24 × 29,077.99 - Step 4: Simplify right side
92,279.25x = 4,025,330,944.32 - Step 5: Solve for x
x = 4,025,330,944.32/92,279.25 - Step 6: Final answer
x = 43,621.19
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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.