Finding the Fourth Proportional to 73,557.18, 101,509.35 and 40,023.42
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Solution
The fourth proportional to 73,557.18, 101,509.35 and 40,023.42 is: 55,232.56
Step by Step Solution
- Step 1: Write the proportion equation
73,557.18 : 101,509.35 = 40,023.42 : x - Step 2: Convert to fraction form
73,557.18/101,509.35 = 40,023.42/x - Step 3: Cross multiply
73,557.18x = 101,509.35 × 40,023.42 - Step 4: Simplify right side
73,557.18x = 4,062,751,348.98 - Step 5: Solve for x
x = 4,062,751,348.98/73,557.18 - Step 6: Final answer
x = 55,232.56
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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.