Finding the Fourth Proportional to 88,859.06, 122,605.74 and 51,133.31
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Solution
The fourth proportional to 88,859.06, 122,605.74 and 51,133.31 is: 70,552.60
Step by Step Solution
- Step 1: Write the proportion equation
88,859.06 : 122,605.74 = 51,133.31 : x - Step 2: Convert to fraction form
88,859.06/122,605.74 = 51,133.31/x - Step 3: Cross multiply
88,859.06x = 122,605.74 × 51,133.31 - Step 4: Simplify right side
88,859.06x = 6,269,237,311.20 - Step 5: Solve for x
x = 6,269,237,311.20/88,859.06 - Step 6: Final answer
x = 70,552.60
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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.