Finding the Fourth Proportional to 88,997.79, 133,516.69 and 29,831.95
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Solution
The fourth proportional to 88,997.79, 133,516.69 and 29,831.95 is: 44,754.63
Step by Step Solution
- Step 1: Write the proportion equation
88,997.79 : 133,516.69 = 29,831.95 : x - Step 2: Convert to fraction form
88,997.79/133,516.69 = 29,831.95/x - Step 3: Cross multiply
88,997.79x = 133,516.69 × 29,831.95 - Step 4: Simplify right side
88,997.79x = 3,983,063,220.25 - Step 5: Solve for x
x = 3,983,063,220.25/88,997.79 - Step 6: Final answer
x = 44,754.63
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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.