Finding the Fourth Proportional to 89,324.60, 123,272.40 and 49,038.08
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Solution
The fourth proportional to 89,324.60, 123,272.40 and 49,038.08 is: 67,674.99
Step by Step Solution
- Step 1: Write the proportion equation
89,324.60 : 123,272.40 = 49,038.08 : x - Step 2: Convert to fraction form
89,324.60/123,272.40 = 49,038.08/x - Step 3: Cross multiply
89,324.60x = 123,272.40 × 49,038.08 - Step 4: Simplify right side
89,324.60x = 6,045,041,812.99 - Step 5: Solve for x
x = 6,045,041,812.99/89,324.60 - Step 6: Final answer
x = 67,674.99
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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.