Finding the Fourth Proportional to 96,455.91, 144,905.63 and 68,058.23
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Solution
The fourth proportional to 96,455.91, 144,905.63 and 68,058.23 is: 102,243.80
Step by Step Solution
- Step 1: Write the proportion equation
96,455.91 : 144,905.63 = 68,058.23 : x - Step 2: Convert to fraction form
96,455.91/144,905.63 = 68,058.23/x - Step 3: Cross multiply
96,455.91x = 144,905.63 × 68,058.23 - Step 4: Simplify right side
96,455.91x = 9,862,019,630.02 - Step 5: Solve for x
x = 9,862,019,630.02/96,455.91 - Step 6: Final answer
x = 102,243.80
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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.