Finding the Fourth Proportional to 70,985.97, 106,474.71 and 26,608.98
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Solution
The fourth proportional to 70,985.97, 106,474.71 and 26,608.98 is: 39,911.88
Step by Step Solution
- Step 1: Write the proportion equation
70,985.97 : 106,474.71 = 26,608.98 : x - Step 2: Convert to fraction form
70,985.97/106,474.71 = 26,608.98/x - Step 3: Cross multiply
70,985.97x = 106,474.71 × 26,608.98 - Step 4: Simplify right side
70,985.97x = 2,833,183,428.90 - Step 5: Solve for x
x = 2,833,183,428.90/70,985.97 - Step 6: Final answer
x = 39,911.88
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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.