Finding the Fourth Proportional to 126,572.76, 174,658.68 and 69,982.92
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Solution
The fourth proportional to 126,572.76, 174,658.68 and 69,982.92 is: 96,569.94
Step by Step Solution
- Step 1: Write the proportion equation
126,572.76 : 174,658.68 = 69,982.92 : x - Step 2: Convert to fraction form
126,572.76/174,658.68 = 69,982.92/x - Step 3: Cross multiply
126,572.76x = 174,658.68 × 69,982.92 - Step 4: Simplify right side
126,572.76x = 12,223,124,429.75 - Step 5: Solve for x
x = 12,223,124,429.75/126,572.76 - Step 6: Final answer
x = 96,569.94
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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.