Finding the Fourth Proportional to 75,432.60, 113,072.10 and 44,251.80
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Solution
The fourth proportional to 75,432.60, 113,072.10 and 44,251.80 is: 66,332.65
Step by Step Solution
- Step 1: Write the proportion equation
75,432.60 : 113,072.10 = 44,251.80 : x - Step 2: Convert to fraction form
75,432.60/113,072.10 = 44,251.80/x - Step 3: Cross multiply
75,432.60x = 113,072.10 × 44,251.80 - Step 4: Simplify right side
75,432.60x = 5,003,643,954.78 - Step 5: Solve for x
x = 5,003,643,954.78/75,432.60 - Step 6: Final answer
x = 66,332.65
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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.