Finding the Fourth Proportional to 84,129.08, 116,098.21 and 48,326.01
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Solution
The fourth proportional to 84,129.08, 116,098.21 and 48,326.01 is: 66,689.94
Step by Step Solution
- Step 1: Write the proportion equation
84,129.08 : 116,098.21 = 48,326.01 : x - Step 2: Convert to fraction form
84,129.08/116,098.21 = 48,326.01/x - Step 3: Cross multiply
84,129.08x = 116,098.21 × 48,326.01 - Step 4: Simplify right side
84,129.08x = 5,610,563,257.44 - Step 5: Solve for x
x = 5,610,563,257.44/84,129.08 - Step 6: Final answer
x = 66,689.94
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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.