Finding the Fourth Proportional to 89,135.36, 133,619.28 and 29,929.49
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Solution
The fourth proportional to 89,135.36, 133,619.28 and 29,929.49 is: 44,866.12
Step by Step Solution
- Step 1: Write the proportion equation
89,135.36 : 133,619.28 = 29,929.49 : x - Step 2: Convert to fraction form
89,135.36/133,619.28 = 29,929.49/x - Step 3: Cross multiply
89,135.36x = 133,619.28 × 29,929.49 - Step 4: Simplify right side
89,135.36x = 3,999,157,238.62 - Step 5: Solve for x
x = 3,999,157,238.62/89,135.36 - Step 6: Final answer
x = 44,866.12
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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.