Finding the Fourth Proportional to 74,875.19, 112,339.52 and 32,162.68
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Solution
The fourth proportional to 74,875.19, 112,339.52 and 32,162.68 is: 48,255.50
Step by Step Solution
- Step 1: Write the proportion equation
74,875.19 : 112,339.52 = 32,162.68 : x - Step 2: Convert to fraction form
74,875.19/112,339.52 = 32,162.68/x - Step 3: Cross multiply
74,875.19x = 112,339.52 × 32,162.68 - Step 4: Simplify right side
74,875.19x = 3,613,140,033.11 - Step 5: Solve for x
x = 3,613,140,033.11/74,875.19 - Step 6: Final answer
x = 48,255.50
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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.