Finding the Fourth Proportional to 91,252.32, 136,831.74 and 48,581.99
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Solution
The fourth proportional to 91,252.32, 136,831.74 and 48,581.99 is: 72,848.10
Step by Step Solution
- Step 1: Write the proportion equation
91,252.32 : 136,831.74 = 48,581.99 : x - Step 2: Convert to fraction form
91,252.32/136,831.74 = 48,581.99/x - Step 3: Cross multiply
91,252.32x = 136,831.74 × 48,581.99 - Step 4: Simplify right side
91,252.32x = 6,647,558,224.36 - Step 5: Solve for x
x = 6,647,558,224.36/91,252.32 - Step 6: Final answer
x = 72,848.10
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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.