Finding the Fourth Proportional to 70,889.05, 106,158.50 and 52,833.99
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Solution
The fourth proportional to 70,889.05, 106,158.50 and 52,833.99 is: 79,120.50
Step by Step Solution
- Step 1: Write the proportion equation
70,889.05 : 106,158.50 = 52,833.99 : x - Step 2: Convert to fraction form
70,889.05/106,158.50 = 52,833.99/x - Step 3: Cross multiply
70,889.05x = 106,158.50 × 52,833.99 - Step 4: Simplify right side
70,889.05x = 5,608,777,259.50 - Step 5: Solve for x
x = 5,608,777,259.50/70,889.05 - Step 6: Final answer
x = 79,120.50
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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.