Finding the Fourth Proportional to 74,368.45, 111,529.02 and 24,437.05
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Solution
The fourth proportional to 74,368.45, 111,529.02 and 24,437.05 is: 36,647.80
Step by Step Solution
- Step 1: Write the proportion equation
74,368.45 : 111,529.02 = 24,437.05 : x - Step 2: Convert to fraction form
74,368.45/111,529.02 = 24,437.05/x - Step 3: Cross multiply
74,368.45x = 111,529.02 × 24,437.05 - Step 4: Simplify right side
74,368.45x = 2,725,440,238.19 - Step 5: Solve for x
x = 2,725,440,238.19/74,368.45 - Step 6: Final answer
x = 36,647.80
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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.