Finding the Fourth Proportional to 96,342.06, 132,997.50 and 72,477.84
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Solution
The fourth proportional to 96,342.06, 132,997.50 and 72,477.84 is: 100,053.62
Step by Step Solution
- Step 1: Write the proportion equation
96,342.06 : 132,997.50 = 72,477.84 : x - Step 2: Convert to fraction form
96,342.06/132,997.50 = 72,477.84/x - Step 3: Cross multiply
96,342.06x = 132,997.50 × 72,477.84 - Step 4: Simplify right side
96,342.06x = 9,639,371,525.40 - Step 5: Solve for x
x = 9,639,371,525.40/96,342.06 - Step 6: Final answer
x = 100,053.62
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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.