Finding the Fourth Proportional to 89,112.04, 122,974.53 and 48,828.31
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Solution
The fourth proportional to 89,112.04, 122,974.53 and 48,828.31 is: 67,383.02
Step by Step Solution
- Step 1: Write the proportion equation
89,112.04 : 122,974.53 = 48,828.31 : x - Step 2: Convert to fraction form
89,112.04/122,974.53 = 48,828.31/x - Step 3: Cross multiply
89,112.04x = 122,974.53 × 48,828.31 - Step 4: Simplify right side
89,112.04x = 6,004,638,472.94 - Step 5: Solve for x
x = 6,004,638,472.94/89,112.04 - Step 6: Final answer
x = 67,383.02
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1.5x scale
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.