Finding the Fourth Proportional to 74,315.71, 102,555.41 and 44,125.85
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Solution
The fourth proportional to 74,315.71, 102,555.41 and 44,125.85 is: 60,893.50
Step by Step Solution
- Step 1: Write the proportion equation
74,315.71 : 102,555.41 = 44,125.85 : x - Step 2: Convert to fraction form
74,315.71/102,555.41 = 44,125.85/x - Step 3: Cross multiply
74,315.71x = 102,555.41 × 44,125.85 - Step 4: Simplify right side
74,315.71x = 4,525,343,904.94 - Step 5: Solve for x
x = 4,525,343,904.94/74,315.71 - Step 6: Final answer
x = 60,893.50
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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.