Finding the Fourth Proportional to 67,384.75, 101,081.99 and 25,831.75
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Solution
The fourth proportional to 67,384.75, 101,081.99 and 25,831.75 is: 38,749.49
Step by Step Solution
- Step 1: Write the proportion equation
67,384.75 : 101,081.99 = 25,831.75 : x - Step 2: Convert to fraction form
67,384.75/101,081.99 = 25,831.75/x - Step 3: Cross multiply
67,384.75x = 101,081.99 × 25,831.75 - Step 4: Simplify right side
67,384.75x = 2,611,124,695.18 - Step 5: Solve for x
x = 2,611,124,695.18/67,384.75 - Step 6: Final answer
x = 38,749.49
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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.