Finding the Fourth Proportional to 68,280.10, 102,424.76 and 32,749.21
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Solution
The fourth proportional to 68,280.10, 102,424.76 and 32,749.21 is: 49,126.02
Step by Step Solution
- Step 1: Write the proportion equation
68,280.10 : 102,424.76 = 32,749.21 : x - Step 2: Convert to fraction form
68,280.10/102,424.76 = 32,749.21/x - Step 3: Cross multiply
68,280.10x = 102,424.76 × 32,749.21 - Step 4: Simplify right side
68,280.10x = 3,354,329,718.38 - Step 5: Solve for x
x = 3,354,329,718.38/68,280.10 - Step 6: Final answer
x = 49,126.02
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1.5x scale
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.