Finding the Fourth Proportional to 70,894.24, 106,351.08 and 31,450.48
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Solution
The fourth proportional to 70,894.24, 106,351.08 and 31,450.48 is: 47,180.03
Step by Step Solution
- Step 1: Write the proportion equation
70,894.24 : 106,351.08 = 31,450.48 : x - Step 2: Convert to fraction form
70,894.24/106,351.08 = 31,450.48/x - Step 3: Cross multiply
70,894.24x = 106,351.08 × 31,450.48 - Step 4: Simplify right side
70,894.24x = 3,344,791,825.51 - Step 5: Solve for x
x = 3,344,791,825.51/70,894.24 - Step 6: Final answer
x = 47,180.03
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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.