Finding the Fourth Proportional to 70,889.28, 106,349.04 and 35,369.70
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Solution
The fourth proportional to 70,889.28, 106,349.04 and 35,369.70 is: 53,062.09
Step by Step Solution
- Step 1: Write the proportion equation
70,889.28 : 106,349.04 = 35,369.70 : x - Step 2: Convert to fraction form
70,889.28/106,349.04 = 35,369.70/x - Step 3: Cross multiply
70,889.28x = 106,349.04 × 35,369.70 - Step 4: Simplify right side
70,889.28x = 3,761,533,640.09 - Step 5: Solve for x
x = 3,761,533,640.09/70,889.28 - Step 6: Final answer
x = 53,062.09
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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.