Finding the Fourth Proportional to 89,342.29, 133,984.99 and 29,356.84
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Solution
The fourth proportional to 89,342.29, 133,984.99 and 29,356.84 is: 44,025.91
Step by Step Solution
- Step 1: Write the proportion equation
89,342.29 : 133,984.99 = 29,356.84 : x - Step 2: Convert to fraction form
89,342.29/133,984.99 = 29,356.84/x - Step 3: Cross multiply
89,342.29x = 133,984.99 × 29,356.84 - Step 4: Simplify right side
89,342.29x = 3,933,375,913.83 - Step 5: Solve for x
x = 3,933,375,913.83/89,342.29 - Step 6: Final answer
x = 44,025.91
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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.