Finding the Fourth Proportional to 86,574.29, 119,471.69 and 48,331.38
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Solution
The fourth proportional to 86,574.29, 119,471.69 and 48,331.38 is: 66,696.85
Step by Step Solution
- Step 1: Write the proportion equation
86,574.29 : 119,471.69 = 48,331.38 : x - Step 2: Convert to fraction form
86,574.29/119,471.69 = 48,331.38/x - Step 3: Cross multiply
86,574.29x = 119,471.69 × 48,331.38 - Step 4: Simplify right side
86,574.29x = 5,774,232,217.48 - Step 5: Solve for x
x = 5,774,232,217.48/86,574.29 - Step 6: Final answer
x = 66,696.85
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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.