Finding the Fourth Proportional to 84,489.77, 116,621.86 and 48,703.70
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Solution
The fourth proportional to 84,489.77, 116,621.86 and 48,703.70 is: 67,226.08
Step by Step Solution
- Step 1: Write the proportion equation
84,489.77 : 116,621.86 = 48,703.70 : x - Step 2: Convert to fraction form
84,489.77/116,621.86 = 48,703.70/x - Step 3: Cross multiply
84,489.77x = 116,621.86 × 48,703.70 - Step 4: Simplify right side
84,489.77x = 5,679,915,378.01 - Step 5: Solve for x
x = 5,679,915,378.01/84,489.77 - Step 6: Final answer
x = 67,226.08
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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.