Finding the Fourth Proportional to 86,351.48, 119,171.14 and 48,113.54
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Solution
The fourth proportional to 86,351.48, 119,171.14 and 48,113.54 is: 66,400.08
Step by Step Solution
- Step 1: Write the proportion equation
86,351.48 : 119,171.14 = 48,113.54 : x - Step 2: Convert to fraction form
86,351.48/119,171.14 = 48,113.54/x - Step 3: Cross multiply
86,351.48x = 119,171.14 × 48,113.54 - Step 4: Simplify right side
86,351.48x = 5,733,745,411.24 - Step 5: Solve for x
x = 5,733,745,411.24/86,351.48 - Step 6: Final answer
x = 66,400.08
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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.