Finding the Fourth Proportional to 74,737.11, 112,106.07 and 22,147.05
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Solution
The fourth proportional to 74,737.11, 112,106.07 and 22,147.05 is: 33,220.70
Step by Step Solution
- Step 1: Write the proportion equation
74,737.11 : 112,106.07 = 22,147.05 : x - Step 2: Convert to fraction form
74,737.11/112,106.07 = 22,147.05/x - Step 3: Cross multiply
74,737.11x = 112,106.07 × 22,147.05 - Step 4: Simplify right side
74,737.11x = 2,482,818,737.59 - Step 5: Solve for x
x = 2,482,818,737.59/74,737.11 - Step 6: Final answer
x = 33,220.70
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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.