Finding the Fourth Proportional to 123,983.92, 171,097.68 and 67,395.70
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Solution
The fourth proportional to 123,983.92, 171,097.68 and 67,395.70 is: 93,006.00
Step by Step Solution
- Step 1: Write the proportion equation
123,983.92 : 171,097.68 = 67,395.70 : x - Step 2: Convert to fraction form
123,983.92/171,097.68 = 67,395.70/x - Step 3: Cross multiply
123,983.92x = 171,097.68 × 67,395.70 - Step 4: Simplify right side
123,983.92x = 11,531,247,911.98 - Step 5: Solve for x
x = 11,531,247,911.98/123,983.92 - Step 6: Final answer
x = 93,006.00
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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.