Finding the Fourth Proportional to 84,422.08, 117,035.23 and 79,927.84
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Solution
The fourth proportional to 84,422.08, 117,035.23 and 79,927.84 is: 110,804.82
Step by Step Solution
- Step 1: Write the proportion equation
84,422.08 : 117,035.23 = 79,927.84 : x - Step 2: Convert to fraction form
84,422.08/117,035.23 = 79,927.84/x - Step 3: Cross multiply
84,422.08x = 117,035.23 × 79,927.84 - Step 4: Simplify right side
84,422.08x = 9,354,373,137.80 - Step 5: Solve for x
x = 9,354,373,137.80/84,422.08 - Step 6: Final answer
x = 110,804.82
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.