Finding the Fourth Proportional to 96,605.11, 133,310.36 and 53,586.31
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Solution
The fourth proportional to 96,605.11, 133,310.36 and 53,586.31 is: 73,946.51
Step by Step Solution
- Step 1: Write the proportion equation
96,605.11 : 133,310.36 = 53,586.31 : x - Step 2: Convert to fraction form
96,605.11/133,310.36 = 53,586.31/x - Step 3: Cross multiply
96,605.11x = 133,310.36 × 53,586.31 - Step 4: Simplify right side
96,605.11x = 7,143,610,026.40 - Step 5: Solve for x
x = 7,143,610,026.40/96,605.11 - Step 6: Final answer
x = 73,946.51
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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.