Finding the Fourth Proportional to 74,315.21, 102,554.71 and 44,125.35
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Solution
The fourth proportional to 74,315.21, 102,554.71 and 44,125.35 is: 60,892.82
Step by Step Solution
- Step 1: Write the proportion equation
74,315.21 : 102,554.71 = 44,125.35 : x - Step 2: Convert to fraction form
74,315.21/102,554.71 = 44,125.35/x - Step 3: Cross multiply
74,315.21x = 102,554.71 × 44,125.35 - Step 4: Simplify right side
74,315.21x = 4,525,262,472.90 - Step 5: Solve for x
x = 4,525,262,472.90/74,315.21 - Step 6: Final answer
x = 60,892.82
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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.