Finding the Fourth Proportional to 70,858.98, 106,281.99 and 21,610.98
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Solution
The fourth proportional to 70,858.98, 106,281.99 and 21,610.98 is: 32,414.49
Step by Step Solution
- Step 1: Write the proportion equation
70,858.98 : 106,281.99 = 21,610.98 : x - Step 2: Convert to fraction form
70,858.98/106,281.99 = 21,610.98/x - Step 3: Cross multiply
70,858.98x = 106,281.99 × 21,610.98 - Step 4: Simplify right side
70,858.98x = 2,296,857,960.25 - Step 5: Solve for x
x = 2,296,857,960.25/70,858.98 - Step 6: Final answer
x = 32,414.49
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1.5x scale
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.