Finding the Fourth Proportional to 97,553.57, 134,688.22 and 63,162.99
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Solution
The fourth proportional to 97,553.57, 134,688.22 and 63,162.99 is: 87,206.56
Step by Step Solution
- Step 1: Write the proportion equation
97,553.57 : 134,688.22 = 63,162.99 : x - Step 2: Convert to fraction form
97,553.57/134,688.22 = 63,162.99/x - Step 3: Cross multiply
97,553.57x = 134,688.22 × 63,162.99 - Step 4: Simplify right side
97,553.57x = 8,507,310,535.07 - Step 5: Solve for x
x = 8,507,310,535.07/97,553.57 - Step 6: Final answer
x = 87,206.56
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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.