Finding the Fourth Proportional to 70,895.24, 106,352.58 and 31,451.48
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Solution
The fourth proportional to 70,895.24, 106,352.58 and 31,451.48 is: 47,181.53
Step by Step Solution
- Step 1: Write the proportion equation
70,895.24 : 106,352.58 = 31,451.48 : x - Step 2: Convert to fraction form
70,895.24/106,352.58 = 31,451.48/x - Step 3: Cross multiply
70,895.24x = 106,352.58 × 31,451.48 - Step 4: Simplify right side
70,895.24x = 3,344,946,042.82 - Step 5: Solve for x
x = 3,344,946,042.82/70,895.24 - Step 6: Final answer
x = 47,181.53
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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.