Finding the Fourth Proportional to 73,290.32, 101,186.11 and 56,261.99
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Solution
The fourth proportional to 73,290.32, 101,186.11 and 56,261.99 is: 77,676.46
Step by Step Solution
- Step 1: Write the proportion equation
73,290.32 : 101,186.11 = 56,261.99 : x - Step 2: Convert to fraction form
73,290.32/101,186.11 = 56,261.99/x - Step 3: Cross multiply
73,290.32x = 101,186.11 × 56,261.99 - Step 4: Simplify right side
73,290.32x = 5,692,932,232.25 - Step 5: Solve for x
x = 5,692,932,232.25/73,290.32 - Step 6: Final answer
x = 77,676.46
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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.