Finding the Fourth Proportional to 84,968.19, 117,259.11 and 48,676.12
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Solution
The fourth proportional to 84,968.19, 117,259.11 and 48,676.12 is: 67,174.77
Step by Step Solution
- Step 1: Write the proportion equation
84,968.19 : 117,259.11 = 48,676.12 : x - Step 2: Convert to fraction form
84,968.19/117,259.11 = 48,676.12/x - Step 3: Cross multiply
84,968.19x = 117,259.11 × 48,676.12 - Step 4: Simplify right side
84,968.19x = 5,707,718,509.45 - Step 5: Solve for x
x = 5,707,718,509.45/84,968.19 - Step 6: Final answer
x = 67,174.77
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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.