Finding the Fourth Proportional to 92,768.21, 139,193.84 and 53,325.32
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Solution
The fourth proportional to 92,768.21, 139,193.84 and 53,325.32 is: 80,011.85
Step by Step Solution
- Step 1: Write the proportion equation
92,768.21 : 139,193.84 = 53,325.32 : x - Step 2: Convert to fraction form
92,768.21/139,193.84 = 53,325.32/x - Step 3: Cross multiply
92,768.21x = 139,193.84 × 53,325.32 - Step 4: Simplify right side
92,768.21x = 7,422,556,530.11 - Step 5: Solve for x
x = 7,422,556,530.11/92,768.21 - Step 6: Final answer
x = 80,011.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.