Finding the Fourth Proportional to 75,611.08, 104,343.96 and 42,077.08
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Solution
The fourth proportional to 75,611.08, 104,343.96 and 42,077.08 is: 58,066.74
Step by Step Solution
- Step 1: Write the proportion equation
75,611.08 : 104,343.96 = 42,077.08 : x - Step 2: Convert to fraction form
75,611.08/104,343.96 = 42,077.08/x - Step 3: Cross multiply
75,611.08x = 104,343.96 × 42,077.08 - Step 4: Simplify right side
75,611.08x = 4,390,489,152.44 - Step 5: Solve for x
x = 4,390,489,152.44/75,611.08 - Step 6: Final answer
x = 58,066.74
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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.