Finding the Fourth Proportional to 77,831.62, 107,408.13 and 44,297.62
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Solution
The fourth proportional to 77,831.62, 107,408.13 and 44,297.62 is: 61,131.00
Step by Step Solution
- Step 1: Write the proportion equation
77,831.62 : 107,408.13 = 44,297.62 : x - Step 2: Convert to fraction form
77,831.62/107,408.13 = 44,297.62/x - Step 3: Cross multiply
77,831.62x = 107,408.13 × 44,297.62 - Step 4: Simplify right side
77,831.62x = 4,757,924,527.65 - Step 5: Solve for x
x = 4,757,924,527.65/77,831.62 - Step 6: Final answer
x = 61,131.00
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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.