Finding the Fourth Proportional to 89,030.92, 122,862.67 and 48,744.68
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Solution
The fourth proportional to 89,030.92, 122,862.67 and 48,744.68 is: 67,267.66
Step by Step Solution
- Step 1: Write the proportion equation
89,030.92 : 122,862.67 = 48,744.68 : x - Step 2: Convert to fraction form
89,030.92/122,862.67 = 48,744.68/x - Step 3: Cross multiply
89,030.92x = 122,862.67 × 48,744.68 - Step 4: Simplify right side
89,030.92x = 5,988,901,533.10 - Step 5: Solve for x
x = 5,988,901,533.10/89,030.92 - Step 6: Final answer
x = 67,267.66
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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.