Finding the Fourth Proportional to 70,836.24, 106,267.32 and 29,286.48
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Solution
The fourth proportional to 70,836.24, 106,267.32 and 29,286.48 is: 43,935.08
Step by Step Solution
- Step 1: Write the proportion equation
70,836.24 : 106,267.32 = 29,286.48 : x - Step 2: Convert to fraction form
70,836.24/106,267.32 = 29,286.48/x - Step 3: Cross multiply
70,836.24x = 106,267.32 × 29,286.48 - Step 4: Simplify right side
70,836.24x = 3,112,195,741.83 - Step 5: Solve for x
x = 3,112,195,741.83/70,836.24 - Step 6: Final answer
x = 43,935.08
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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.