Finding the Fourth Proportional to 91,053.68, 125,459.16 and 61,193.84
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Solution
The fourth proportional to 91,053.68, 125,459.16 and 61,193.84 is: 84,316.50
Step by Step Solution
- Step 1: Write the proportion equation
91,053.68 : 125,459.16 = 61,193.84 : x - Step 2: Convert to fraction form
91,053.68/125,459.16 = 61,193.84/x - Step 3: Cross multiply
91,053.68x = 125,459.16 × 61,193.84 - Step 4: Simplify right side
91,053.68x = 7,677,327,763.57 - Step 5: Solve for x
x = 7,677,327,763.57/91,053.68 - Step 6: Final answer
x = 84,316.50
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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.