Finding the Fourth Proportional to 84,545.01, 116,662.28 and 48,734.78
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Solution
The fourth proportional to 84,545.01, 116,662.28 and 48,734.78 is: 67,248.32
Step by Step Solution
- Step 1: Write the proportion equation
84,545.01 : 116,662.28 = 48,734.78 : x - Step 2: Convert to fraction form
84,545.01/116,662.28 = 48,734.78/x - Step 3: Cross multiply
84,545.01x = 116,662.28 × 48,734.78 - Step 4: Simplify right side
84,545.01x = 5,685,509,723.11 - Step 5: Solve for x
x = 5,685,509,723.11/84,545.01 - Step 6: Final answer
x = 67,248.32
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1.5x scale
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.