Finding the Fourth Proportional to 97,163.75, 134,144.30 and 63,688.07
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Solution
The fourth proportional to 97,163.75, 134,144.30 and 63,688.07 is: 87,927.76
Step by Step Solution
- Step 1: Write the proportion equation
97,163.75 : 134,144.30 = 63,688.07 : x - Step 2: Convert to fraction form
97,163.75/134,144.30 = 63,688.07/x - Step 3: Cross multiply
97,163.75x = 134,144.30 × 63,688.07 - Step 4: Simplify right side
97,163.75x = 8,543,391,250.06 - Step 5: Solve for x
x = 8,543,391,250.06/97,163.75 - Step 6: Final answer
x = 87,927.76
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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.