Finding the Fourth Proportional to 73,543.68, 101,490.48 and 40,009.68
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Solution
The fourth proportional to 73,543.68, 101,490.48 and 40,009.68 is: 55,213.47
Step by Step Solution
- Step 1: Write the proportion equation
73,543.68 : 101,490.48 = 40,009.68 : x - Step 2: Convert to fraction form
73,543.68/101,490.48 = 40,009.68/x - Step 3: Cross multiply
73,543.68x = 101,490.48 × 40,009.68 - Step 4: Simplify right side
73,543.68x = 4,060,601,627.85 - Step 5: Solve for x
x = 4,060,601,627.85/73,543.68 - Step 6: Final answer
x = 55,213.47
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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.