Finding the Fourth Proportional to 97,970.92, 135,187.79 and 59,716.64
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Solution
The fourth proportional to 97,970.92, 135,187.79 and 59,716.64 is: 82,401.60
Step by Step Solution
- Step 1: Write the proportion equation
97,970.92 : 135,187.79 = 59,716.64 : x - Step 2: Convert to fraction form
97,970.92/135,187.79 = 59,716.64/x - Step 3: Cross multiply
97,970.92x = 135,187.79 × 59,716.64 - Step 4: Simplify right side
97,970.92x = 8,072,960,627.21 - Step 5: Solve for x
x = 8,072,960,627.21/97,970.92 - Step 6: Final answer
x = 82,401.60
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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.