Finding the Fourth Proportional to 86,822.65, 130,236.71 and 29,895.96
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Solution
The fourth proportional to 86,822.65, 130,236.71 and 29,895.96 is: 44,844.88
Step by Step Solution
- Step 1: Write the proportion equation
86,822.65 : 130,236.71 = 29,895.96 : x - Step 2: Convert to fraction form
86,822.65/130,236.71 = 29,895.96/x - Step 3: Cross multiply
86,822.65x = 130,236.71 × 29,895.96 - Step 4: Simplify right side
86,822.65x = 3,893,551,323.21 - Step 5: Solve for x
x = 3,893,551,323.21/86,822.65 - Step 6: Final answer
x = 44,844.88
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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.