Finding the Fourth Proportional to 92,005.76, 138,029.44 and 32,847.68
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Solution
The fourth proportional to 92,005.76, 138,029.44 and 32,847.68 is: 49,278.95
Step by Step Solution
- Step 1: Write the proportion equation
92,005.76 : 138,029.44 = 32,847.68 : x - Step 2: Convert to fraction form
92,005.76/138,029.44 = 32,847.68/x - Step 3: Cross multiply
92,005.76x = 138,029.44 × 32,847.68 - Step 4: Simplify right side
92,005.76x = 4,533,946,875.70 - Step 5: Solve for x
x = 4,533,946,875.70/92,005.76 - Step 6: Final answer
x = 49,278.95
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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.