Finding the Fourth Proportional to 89,073.21, 122,923.02 and 50,831.99
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Solution
The fourth proportional to 89,073.21, 122,923.02 and 50,831.99 is: 70,149.28
Step by Step Solution
- Step 1: Write the proportion equation
89,073.21 : 122,923.02 = 50,831.99 : x - Step 2: Convert to fraction form
89,073.21/122,923.02 = 50,831.99/x - Step 3: Cross multiply
89,073.21x = 122,923.02 × 50,831.99 - Step 4: Simplify right side
89,073.21x = 6,248,421,723.41 - Step 5: Solve for x
x = 6,248,421,723.41/89,073.21 - Step 6: Final answer
x = 70,149.28
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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.