Finding the Fourth Proportional to 89,083.40, 122,930.34 and 48,795.08
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Solution
The fourth proportional to 89,083.40, 122,930.34 and 48,795.08 is: 67,334.61
Step by Step Solution
- Step 1: Write the proportion equation
89,083.40 : 122,930.34 = 48,795.08 : x - Step 2: Convert to fraction form
89,083.40/122,930.34 = 48,795.08/x - Step 3: Cross multiply
89,083.40x = 122,930.34 × 48,795.08 - Step 4: Simplify right side
89,083.40x = 5,998,395,774.73 - Step 5: Solve for x
x = 5,998,395,774.73/89,083.40 - Step 6: Final answer
x = 67,334.61
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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.