Finding the Fourth Proportional to 70,137.57, 105,221.16 and 22,748.99
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Solution
The fourth proportional to 70,137.57, 105,221.16 and 22,748.99 is: 34,128.28
Step by Step Solution
- Step 1: Write the proportion equation
70,137.57 : 105,221.16 = 22,748.99 : x - Step 2: Convert to fraction form
70,137.57/105,221.16 = 22,748.99/x - Step 3: Cross multiply
70,137.57x = 105,221.16 × 22,748.99 - Step 4: Simplify right side
70,137.57x = 2,393,674,622.02 - Step 5: Solve for x
x = 2,393,674,622.02/70,137.57 - Step 6: Final answer
x = 34,128.28
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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.