Finding the Fourth Proportional to 74,557.26, 102,927.14 and 57,523.23
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Solution
The fourth proportional to 74,557.26, 102,927.14 and 57,523.23 is: 79,411.47
Step by Step Solution
- Step 1: Write the proportion equation
74,557.26 : 102,927.14 = 57,523.23 : x - Step 2: Convert to fraction form
74,557.26/102,927.14 = 57,523.23/x - Step 3: Cross multiply
74,557.26x = 102,927.14 × 57,523.23 - Step 4: Simplify right side
74,557.26x = 5,920,701,475.56 - Step 5: Solve for x
x = 5,920,701,475.56/74,557.26 - Step 6: Final answer
x = 79,411.47
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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.