Finding the Fourth Proportional to 89,048.79, 122,887.33 and 48,765.02
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Solution
The fourth proportional to 89,048.79, 122,887.33 and 48,765.02 is: 67,295.72
Step by Step Solution
- Step 1: Write the proportion equation
89,048.79 : 122,887.33 = 48,765.02 : x - Step 2: Convert to fraction form
89,048.79/122,887.33 = 48,765.02/x - Step 3: Cross multiply
89,048.79x = 122,887.33 × 48,765.02 - Step 4: Simplify right side
89,048.79x = 5,992,602,368.85 - Step 5: Solve for x
x = 5,992,602,368.85/89,048.79 - Step 6: Final answer
x = 67,295.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.