Finding the Fourth Proportional to 86,840.43, 119,831.47 and 48,597.99
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Solution
The fourth proportional to 86,840.43, 119,831.47 and 48,597.99 is: 67,060.57
Step by Step Solution
- Step 1: Write the proportion equation
86,840.43 : 119,831.47 = 48,597.99 : x - Step 2: Convert to fraction form
86,840.43/119,831.47 = 48,597.99/x - Step 3: Cross multiply
86,840.43x = 119,831.47 × 48,597.99 - Step 4: Simplify right side
86,840.43x = 5,823,568,580.75 - Step 5: Solve for x
x = 5,823,568,580.75/86,840.43 - Step 6: Final answer
x = 67,060.57
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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.