Finding the Fourth Proportional to 74,845.92, 112,317.06 and 29,859.59
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Solution
The fourth proportional to 74,845.92, 112,317.06 and 29,859.59 is: 44,808.61
Step by Step Solution
- Step 1: Write the proportion equation
74,845.92 : 112,317.06 = 29,859.59 : x - Step 2: Convert to fraction form
74,845.92/112,317.06 = 29,859.59/x - Step 3: Cross multiply
74,845.92x = 112,317.06 × 29,859.59 - Step 4: Simplify right side
74,845.92x = 3,353,741,586.41 - Step 5: Solve for x
x = 3,353,741,586.41/74,845.92 - Step 6: Final answer
x = 44,808.61
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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.