Finding the Fourth Proportional to 89,006.08, 122,828.64 and 49,262.08
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Solution
The fourth proportional to 89,006.08, 122,828.64 and 49,262.08 is: 67,981.81
Step by Step Solution
- Step 1: Write the proportion equation
89,006.08 : 122,828.64 = 49,262.08 : x - Step 2: Convert to fraction form
89,006.08/122,828.64 = 49,262.08/x - Step 3: Cross multiply
89,006.08x = 122,828.64 × 49,262.08 - Step 4: Simplify right side
89,006.08x = 6,050,794,289.97 - Step 5: Solve for x
x = 6,050,794,289.97/89,006.08 - Step 6: Final answer
x = 67,981.81
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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.