Finding the Fourth Proportional to 112,545.10, 168,793.35 and 49,365.10
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Solution
The fourth proportional to 112,545.10, 168,793.35 and 49,365.10 is: 74,036.99
Step by Step Solution
- Step 1: Write the proportion equation
112,545.10 : 168,793.35 = 49,365.10 : x - Step 2: Convert to fraction form
112,545.10/168,793.35 = 49,365.10/x - Step 3: Cross multiply
112,545.10x = 168,793.35 × 49,365.10 - Step 4: Simplify right side
112,545.10x = 8,332,500,602.09 - Step 5: Solve for x
x = 8,332,500,602.09/112,545.10 - Step 6: Final answer
x = 74,036.99
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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.