Finding the Fourth Proportional to 88,997.99, 122,830.97 and 50,757.62
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Solution
The fourth proportional to 88,997.99, 122,830.97 and 50,757.62 is: 70,053.35
Step by Step Solution
- Step 1: Write the proportion equation
88,997.99 : 122,830.97 = 50,757.62 : x - Step 2: Convert to fraction form
88,997.99/122,830.97 = 50,757.62/x - Step 3: Cross multiply
88,997.99x = 122,830.97 × 50,757.62 - Step 4: Simplify right side
88,997.99x = 6,234,606,831.55 - Step 5: Solve for x
x = 6,234,606,831.55/88,997.99 - Step 6: Final answer
x = 70,053.35
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1.5x scale
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.