Finding the Fourth Proportional to 74,002.22, 102,120.99 and 40,467.50
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Solution
The fourth proportional to 74,002.22, 102,120.99 and 40,467.50 is: 55,844.02
Step by Step Solution
- Step 1: Write the proportion equation
74,002.22 : 102,120.99 = 40,467.50 : x - Step 2: Convert to fraction form
74,002.22/102,120.99 = 40,467.50/x - Step 3: Cross multiply
74,002.22x = 102,120.99 × 40,467.50 - Step 4: Simplify right side
74,002.22x = 4,132,581,162.83 - Step 5: Solve for x
x = 4,132,581,162.83/74,002.22 - Step 6: Final answer
x = 55,844.02
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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.