Finding the Fourth Proportional to 87,202.44, 120,343.32 and 51,393.96
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Solution
The fourth proportional to 87,202.44, 120,343.32 and 51,393.96 is: 70,925.99
Step by Step Solution
- Step 1: Write the proportion equation
87,202.44 : 120,343.32 = 51,393.96 : x - Step 2: Convert to fraction form
87,202.44/120,343.32 = 51,393.96/x - Step 3: Cross multiply
87,202.44x = 120,343.32 × 51,393.96 - Step 4: Simplify right side
87,202.44x = 6,184,919,774.35 - Step 5: Solve for x
x = 6,184,919,774.35/87,202.44 - Step 6: Final answer
x = 70,925.99
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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.