Finding the Fourth Proportional to 73,626.78, 101,602.70 and 40,921.08
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Solution
The fourth proportional to 73,626.78, 101,602.70 and 40,921.08 is: 56,469.84
Step by Step Solution
- Step 1: Write the proportion equation
73,626.78 : 101,602.70 = 40,921.08 : x - Step 2: Convert to fraction form
73,626.78/101,602.70 = 40,921.08/x - Step 3: Cross multiply
73,626.78x = 101,602.70 × 40,921.08 - Step 4: Simplify right side
73,626.78x = 4,157,692,214.92 - Step 5: Solve for x
x = 4,157,692,214.92/73,626.78 - Step 6: Final answer
x = 56,469.84
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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.