Finding the Fourth Proportional to 76,421.76, 114,424.88 and 44,785.19
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Solution
The fourth proportional to 76,421.76, 114,424.88 and 44,785.19 is: 67,056.02
Step by Step Solution
- Step 1: Write the proportion equation
76,421.76 : 114,424.88 = 44,785.19 : x - Step 2: Convert to fraction form
76,421.76/114,424.88 = 44,785.19/x - Step 3: Cross multiply
76,421.76x = 114,424.88 × 44,785.19 - Step 4: Simplify right side
76,421.76x = 5,124,539,195.48 - Step 5: Solve for x
x = 5,124,539,195.48/76,421.76 - Step 6: Final answer
x = 67,056.02
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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.