Finding the Fourth Proportional to 88,778.03, 122,512.95 and 48,491.82
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Solution
The fourth proportional to 88,778.03, 122,512.95 and 48,491.82 is: 66,918.31
Step by Step Solution
- Step 1: Write the proportion equation
88,778.03 : 122,512.95 = 48,491.82 : x - Step 2: Convert to fraction form
88,778.03/122,512.95 = 48,491.82/x - Step 3: Cross multiply
88,778.03x = 122,512.95 × 48,491.82 - Step 4: Simplify right side
88,778.03x = 5,940,875,306.50 - Step 5: Solve for x
x = 5,940,875,306.50/88,778.03 - Step 6: Final answer
x = 66,918.31
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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.