Finding the Fourth Proportional to 86,785.81, 130,252.68 and 34,232.20
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Solution
The fourth proportional to 86,785.81, 130,252.68 and 34,232.20 is: 51,377.48
Step by Step Solution
- Step 1: Write the proportion equation
86,785.81 : 130,252.68 = 34,232.20 : x - Step 2: Convert to fraction form
86,785.81/130,252.68 = 34,232.20/x - Step 3: Cross multiply
86,785.81x = 130,252.68 × 34,232.20 - Step 4: Simplify right side
86,785.81x = 4,458,835,792.30 - Step 5: Solve for x
x = 4,458,835,792.30/86,785.81 - Step 6: Final answer
x = 51,377.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.