Finding the Fourth Proportional to 89,940.96, 134,918.08 and 34,536.96
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Solution
The fourth proportional to 89,940.96, 134,918.08 and 34,536.96 is: 51,807.99
Step by Step Solution
- Step 1: Write the proportion equation
89,940.96 : 134,918.08 = 34,536.96 : x - Step 2: Convert to fraction form
89,940.96/134,918.08 = 34,536.96/x - Step 3: Cross multiply
89,940.96x = 134,918.08 × 34,536.96 - Step 4: Simplify right side
89,940.96x = 4,659,660,332.24 - Step 5: Solve for x
x = 4,659,660,332.24/89,940.96 - Step 6: Final answer
x = 51,807.99
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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.